Patent US2950632A successfully refreshed from Google Patents.
US2950632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic change speed gears
Assignee: Self Changing Gears Ltd
•
Filing: 1953-10-15
•
Granted: 1960-08-30
•
Expires: 1973-10-15
Abstract
No abstract record available.
Inventors
- 👤 Albert A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:27
CPC Classifications
F; F16; F16D; F16D67/00; F16H; F16H61/00; F16H61/02; F16H61/0293; F16H2718/00; F16H2718/02; F16H2718/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19037
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR668839A
Cited
DE611484C
Cited
US2049673A
Cited
US2126547A
Cited
DE677927C
Cited
US2299049A
Cited
US2374303A
Cited
US2344656A
Cited
US2536861A
Cited
US2467108A
Cited
US2592537A
Cited
US2864266A
Cited
US2688886A
Cited
US2749775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |