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US2931928A
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Torque transmitting mechanism
Assignee: EW Bliss Co Inc
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Filing: 1956-08-30
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Granted: 1960-04-05
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Expires: 1976-08-30
Abstract
No abstract record available.
Inventors
- 👤 Sr Frank P Fehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
H; H02; H02P; H02P29/00; H02P29/0016; B; B60; B60L; B60L50/00; B60L50/30; F; F16; F16H; F16H33/00; F16H33/02; F16H2706/00; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189620513A
Cited
US1179779A
Cited
FR616656A
Cited
US2246372A
Cited
GB541976A
Cited
FR1030511A
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US2806967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |