US2460651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting tappet
Assignee: Weatherhead Co
•
Filing: 1945-05-02
•
Granted: 1949-02-01
•
Expires: 1965-05-02
Abstract
No abstract record available.
Inventors
- 👤 Paquin Joseph Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/245; F01L1/25; F01L1/252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1791035A
Cited
US2012049A
Cited
US2109459A
Cited
US2187008A
Cited
US2203952A
Cited
US2278963A
Cited
US2325932A
Cited
US2373901A
Cited
US2364602A
Cited
US2394354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |