US2961276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating system
Assignee: Individual
•
Filing: 1957-04-10
•
Granted: 1960-11-22
•
Expires: 1977-04-10
Abstract
No abstract record available.
Inventors
- 👤 Wade Worth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:11
CPC Classifications
F; F16; F16N; F16N17/00; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/109; F16N17/02; G; G21; G21D; G21D1/00; G21D1/02; F16C2210/00; F16C2210/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401721A
Cited
US1754085A
Cited
US1941768A
Cited
US2063721A
Cited
US2335224A
Cited
US2449771A
Cited
GB706795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |