Last updated: May 29, 2026

Application No. 18/940,402

REDUCED PARASITIC LUBE SYSTEM

Non-Final OA

Filed

Nov 07, 2024

Priority

Oct 31, 2016 — provisional 62/414,997 +3 more

Examiner

RIEGELMAN, MICHAEL A

Art Unit

3654

Tech Center

3600 — Transportation & Electronic Commerce

Assignee

CUMMINS INC.

OA Round

1 (Non-Final)

Interview Optional

— +15.0% interview lift. Interview lift (+15.0%) is below the 15.0% threshold. A written response is recommended.

Based on 954 resolved cases, 2023–2026

Examiner Intelligence

RIEGELMAN, MICHAEL A View full profile →

Grants 78% — above average

Career Allowance Rate

744 granted / 954 resolved

+26.0% vs TC avg

Moderate +15% lift

Without

With

+15.0%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

24 currently pending

Career history

984

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

75.5%

+35.5% vs TC avg

§102

2.4%

-37.6% vs TC avg

§112

9.0%

-31.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 954 resolved cases

Prosecution Timeline

Nov 07, 2024

Application Filed

Dec 01, 2025

Non-Final Rejection (signed)

Feb 18, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/510,014

Patent 12638074

LUBRICATION SYSTEM FOR A GEAR ASSEMBLY

2y 6m to grant Granted May 26, 2026

18/872,324

Patent 12637979

GEAR CHANGING SYSTEM FOR AN ACCESSORY GEARBOX OF AN AIRCRAFT TURBINE ENGINE AND METHOD OF USE

1y 5m to grant Granted May 26, 2026

18/882,037

Patent 12637024

VEHICLE DRIVE SHAFT GREASE SYSTEM

1y 8m to grant Granted May 26, 2026

18/374,726

Patent 12631133

LUBRICANT FILTER SYSTEM, AIRCRAFT ENGINE, AND METHOD OF OPERATING A LUBRICANT SYSTEM

2y 7m to grant Granted May 19, 2026

18/848,671

Patent 12631247

POWER TRANSMISSION DEVICE AND HYDRAULIC DEVICE

1y 8m to grant Granted May 19, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2

Expected OA Rounds

78%

Grant Probability

93%

With Interview (+15.0%)

2y 7m (~1y 0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 954 resolved cases by this examiner. Grant probability derived from career allowance rate.