US2939973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque transmitting mechanism
Assignee: EW Bliss Co Inc
•
Filing: 1956-10-10
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Granted: 1960-06-07
•
Expires: 1976-10-10
Abstract
No abstract record available.
Inventors
- 👤 Edward V Crane
- 👤 Sr Frank P Fehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:32
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/114; F; F16; F16D; F16D67/00; F16D67/02; F16D67/06; H02K7/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US600446A
Cited
GB189620513A
Cited
US739096A
Cited
US1179779A
Cited
US1595717A
Cited
US1511492A
Cited
US1767916A
Cited
US2246372A
Cited
US2630467A
Cited
FR1030511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |