US3400603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque resisting system
Assignee: KING OF PRUSSIA RES AND DEV CO
•
Filing: 1966-12-02
•
Granted: 1968-09-10
•
Expires: 1986-12-02
Abstract
No abstract record available.
Inventors
- 👤 Milton C Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:55
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/025; C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/50; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3167975A
Cited
US3333801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |