US2929272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epicyclic change speed gearing
Assignee: Self Changing Gears Ltd
•
Filing: 1958-03-18
•
Granted: 1960-03-22
•
Expires: 1978-03-18
Abstract
No abstract record available.
Inventors
- 👤 Miller Albert Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:17
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1814096A
Cited
US2162785A
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US2388204A
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US2580891A
Cited
US2609706A
Cited
US2551746A
Cited
US2546378A
Cited
US2799184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |