Patent US2273028A successfully refreshed from Google Patents.
Patent US2755683A successfully refreshed from Google Patents.
US2755683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic power transmission
Assignee: Individual
•
Filing: 1951-09-26
•
Granted: 1956-07-24
•
Expires: 1971-09-26
Abstract
No abstract record available.
Inventors
- 👤 William J Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:18
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; F16H61/66254; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H37/0846; F16H9/00; F16H9/02; F16H9/04; F16H2037/088; Y; Y10; Y10S; Y10S74/00; Y10S74/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1362655A
Cited
FR539362A
Cited
US1748683A
Cited
US1961619A
Cited
US1957578A
Cited
US2164818A
Cited
US2150456A
Cited
US2008869A
Cited
US2187737A
Cited
US2242519A
Cited
US2575884A
Cited
US2278351A
Cited
US2364448A
Cited
US2441276A
Cited
US2564393A
Cited
US2467226A
Cited
US2565214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |