US2930463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque limiting clutch
Assignee: International Business Machines Corp
•
Filing: 1958-01-07
•
Granted: 1960-03-29
•
Expires: 1978-01-07
Abstract
No abstract record available.
Inventors
- 👤 Ronald D Dodge
- 👤 Walter O Cralle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US867324A
Cited
US1561537A
Cited
US1561507A
Cited
US1898139A
Cited
US2005974A
Cited
US2468193A
Cited
US2626029A
Cited
US2618137A
Cited
US2643750A
Cited
GB728422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |