Patent US1933440A successfully refreshed from Google Patents.
Patent US2182385A successfully refreshed from Google Patents.
US2669331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor clutch
Assignee: NCR Voyix Corp
•
Filing: 1950-04-20
•
Granted: 1954-02-16
•
Expires: 1970-04-20
Abstract
No abstract record available.
Inventors
- 👤 Charles G Dudis
- 👤 John F Denlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:40
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/02; F16D13/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1737907A
Cited
US1840639A
Cited
US677872A
Cited
US1144418A
Cited
US1968155A
Cited
US2298970A
Cited
US2487280A
Cited
US2468193A
Cited
US2475432A
Cited
US2533848A
Cited
US2577181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |