US2926972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft lubricating means
Assignee: Motors Liquidation Co
•
Filing: 1958-07-17
•
Granted: 1960-03-01
•
Expires: 1978-07-17
Abstract
No abstract record available.
Inventors
- 👤 Burrell Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:59
CPC Classifications
F; F01; F01M; F01M5/00; F16; F16N; F16N29/00; F16N9/00; F16N9/02; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1289903A
Cited
US1922707A
Cited
US2004506A
Cited
US2253416A
Cited
US2428602A
Cited
US2723003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |