US2534566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for variable-speed gears on cycles
Assignee: HERCULES CYCLE AND MOTOR Co Ltd
•
Filing: 1948-08-10
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Granted: 1950-12-19
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Expires: 1968-08-10
Abstract
No abstract record available.
Inventors
- 👤 Yapp Thomas Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:37
CPC Classifications
B; B62; B62K; B62K23/00; B62K23/02; B62K23/06; B62M; B62M25/00; B62M25/02; B62M25/04; F; F16; F16C; F16C1/00; F16C1/10; F16C1/12; F16C1/16; F16C2326/00; F16C2326/20; F16C2326/28; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20037; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/2028; Y10T74/20287; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20438
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |