US1540247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch-shifting device
Assignee: Individual
•
Filing: 1922-11-08
•
Granted: 1925-06-02
•
Expires: 1942-11-08
Abstract
No abstract record available.
Inventors
- 👤 Charles L Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
F; F16; F16D; F16D11/00; F16D11/08; F16D11/10; F16D2011/006; F16H; F16H63/00; F16H63/02; F16H63/30; F16H2063/3089; F16H63/3016; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/18864; Y10T74/18888; Y10T74/18896
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) | 1928-06-01 | 1928-12-01 | 1929-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-01 | 1932-12-01 | 1933-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-01 | 1936-12-01 | 1937-06-02 | $7700.00 | Window Closed / Lapsed |