US3025841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam follower and spacer for engine valves
Assignee: Caterpillar Inc
•
Filing: 1960-10-17
•
Granted: 1962-03-20
•
Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Oscar S Beckham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:37
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/12; F01L1/14; F01L1/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1210621A
Cited
US1565223A
Cited
US2817326A
Cited
US2863432A
Cited
US2954016A
Cited
US2966901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |