US3421382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission gearing with means for canceling load-generated forces
Assignee: Mirrlees National Ltd
•
Filing: 1967-02-28
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Granted: 1969-01-14
•
Expires: 1987-02-28
Abstract
No abstract record available.
Inventors
- 👤 John Anthony Henshaw
- 👤 Kenneth Ellis Lea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; F16H1/206; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1209108A
Cited
US1293047A
Cited
GB205806A
Cited
US1847611A
Cited
US2516077A
Cited
US2700311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |