Patent US2653550A successfully refreshed from Google Patents.
US2653550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1950-10-07
•
Granted: 1953-09-29
•
Expires: 1970-10-07
Abstract
No abstract record available.
Inventors
- 👤 Duncan B Gardiner
- 👤 Ernst F Klessig
- 👤 Henry C Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:37
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3446
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US465907A
Cited
US1010956A
Cited
US1771963A
Cited
US1989900A
Cited
US2098652A
Cited
US2266820A
Cited
US2312891A
Cited
US2312655A
Cited
US2487721A
Cited
US2525619A
Cited
US2544988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |