Patent US994720A successfully refreshed from Google Patents.
US1736680A
Expired / Lapsed
US
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Changeable-speed transmission-gear attachment for cycles
Assignee: Individual
•
Filing: 1927-06-15
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Granted: 1929-11-19
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Expires: 1947-06-15
Abstract
No abstract record available.
Inventors
- 👤 William A Toliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:57
CPC Classifications
B; B62; B62M; B62M11/00; B62M11/04; B62M11/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-11-18 | 1933-05-20 | 1933-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-18 | 1937-05-20 | 1937-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-18 | 1941-05-20 | 1941-11-19 | $7700.00 | Window Closed / Lapsed |