US2929260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission means and means for effecting change of ratio
Assignee: Engineering Research & Application Ltd
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Filing: 1958-06-16
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Granted: 1960-03-22
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Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Hodkin Richard Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:16
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/22; F16H63/00; F16H63/02; F16H63/08; F16H63/20; F16H63/22; F16H2063/202; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19247; Y10T74/19251; Y10T74/19279; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |