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Office Actions › Stewart & Stevenson LLC › 19178275
Last updated: April 24, 2026
Application No. 19/178,275

Untitled Application

Unknown
Filed
3600
Examiner
BUSE, MARK KENNETH
Art Unit
3654
Tech Center
STEWART & STEVENSON LLC
Assignee
Stewart & Stevenson LLC
OA Round
1 (Non-Final)
77%
Grant Probability
Favorable
1-2
OA Rounds
2y 10m
To Grant
86%
With Interview

Interview Optional

— +9.1% interview lift. This examiner has a relatively high allow rate; a written response may suffice.
Based on 713 resolved cases, 2023–2026

Examiner Intelligence

BUSE, MARK KENNETH View full profile →
Grants 77% — above average
77%
Career Allow Rate
550 granted / 713 resolved
+17.1% vs TC avg
Moderate +9% lift
Without
With
+9.1%
Interview Lift
resolved cases with interview
Typical timeline
2y 10m
Avg Prosecution
19 currently pending
Career history
732
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
41.5%
+1.5% vs TC avg
§102
24.7%
-15.3% vs TC avg
§112
29.5%
-10.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 713 resolved cases

Prosecution Timeline

3600
Application Filed
Feb 27, 2026
Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/605,216
Patent 12595882
ELECTRIC-POWERED LUBRICATOR, AND METHOD FOR CALIBRATING ELECTRIC-POWERED LUBRICATOR
2y 5m to grant Granted Apr 07, 2026
18/848,269
Patent 12595842
POWER TRANSMISSION DEVICE
2y 5m to grant Granted Apr 07, 2026
19/015,887
Patent 12595881
LUBRICATION SYSTEM
2y 5m to grant Granted Apr 07, 2026
18/951,870
Patent 12571499
CONTAINMENT DEVICE TO HOUSE AN OIL WICKING PROCESS TO PROTECT, CLEAN OR LUBRICATE ANY METALLIC ITEM OR TOOL
2y 5m to grant Granted Mar 10, 2026
18/224,435
Patent 12560223
SYSTEM AND METHOD FOR A CAPTIVE SPROCKET IN AN ENGINE
2y 5m to grant Granted Feb 24, 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
77%
Grant Probability
86%
With Interview (+9.1%)
2y 10m
Median Time to Grant
Low
PTA Risk
Based on 713 resolved cases by this examiner. Grant probability derived from career allow rate.

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