Prosecution Insights
Last updated: October 25, 2026
Application No. 19/109,433

CONVEYOR BELT SCRAPER BLADE AND A METHOD FOR MANUFACTURING THE SAME

Non-Final OA §102
Filed
Mar 06, 2025
Priority
Sep 09, 2022 — SE 2251046-5 +1 more
Examiner
BIDWELL, JAMES R
Art Unit
3651
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
Metso Finland OY
OA Round
1 (Non-Final)
90%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
98%
With Interview

Examiner Intelligence

Grants 90% — above average
90%
Career Allowance Rate
1426 granted / 1590 resolved
+37.7% vs TC avg
Moderate +8% lift
Without
With
+8.3%
Interview Lift
resolved cases with interview
Fast prosecutor
1y 8m
Avg Prosecution
18 currently pending
Career history
1615
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
26.6%
-13.4% vs TC avg
§102
45.5%
+5.5% vs TC avg
§112
14.8%
-25.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1590 resolved cases

Office Action

§102
Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claim(s) 1-8, 11, 12 and 14-18 is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by DeVries (US 2015/0274434). DeVries shows a conveyor belt scraper blade 12 which extends along a belt 56. Shown is a support structure 55 which includes a base portion from which an engagement portion such as 42 extends and there is a reinforcement portion 52 which protrudes into the scraper 12 and the supporting structure 55 is made of a first material and the scraper 12 of a different second material (see paragraph [0022]). Re claim 2, the engagement portions such as 42 protrude into the scraper 12. Re claim 3, the support structure is of a constant cross-section. Re claim 4, an extrusion process is disclosed. Re claim 5, paragraph [0022] discloses the use of an elastomer. Re claim 6, the material used can be considered biodegradable. Re claim 7, the material for the support is harder than the material for the scraper. Re claim 8, at least one of these materials is disclosed. Re claim 11, shown is a hollow portion which receives a mounting shaft. Re claim 12, the base includes the hollow portion. Re claim 14, a plurality of blades are used and shown is a tensioning mechanism 50. Re claim 15, different materials are used and the reinforcement is inserted into blade 12. Re claim 16, as per claim 4 rejection. Re claim 17, a molding process is disclosed. Re claim 18, different materials are used. Allowable Subject Matter Claims 9, 10 and 13 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to JAMES R BIDWELL whose telephone number is (571)272-6910. The examiner can normally be reached on Monday-Friday from 8 to 4. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Gene Crawford, can be reached at telephone number (571)272-6911. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from Patent Center. Status information for published applications may be obtained from Patent Center. Status information for unpublished applications is available through Patent Center to authorized users only. Should you have questions about access to the USPTO patent electronic filing system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). Examiner interviews are available via a variety of formats. See MPEP § 713.01. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) Form at https://www.uspto.gov/InterviewPractice. /JAMES R BIDWELL/ Primary Examiner, Art Unit 3651 08/11/2026
Read full office action

Prosecution Timeline

Mar 06, 2025
Application Filed
Aug 13, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

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Belt Conveyor Device for Lumpy Products and Device and Method for Removing Products from a Product Flow
2y 0m to grant Granted Oct 06, 2026
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1y 8m to grant Granted Oct 06, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
90%
Grant Probability
98%
With Interview (+8.3%)
1y 8m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1590 resolved cases by this examiner. Grant probability derived from career allowance rate.

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