US2936632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-friction drive means
Assignee: Individual
•
Filing: 1958-03-03
•
Granted: 1960-05-17
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 John E Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:58
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/053; F04B1/0404; F04B1/0426; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/36; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248; Y10T74/18256; Y10T74/18296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR442799A
Cited
US1190949A
Cited
US1998083A
Cited
US2122676A
Cited
US2355011A
Cited
US2683422A
Cited
US2831438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |