Patent US4630874A successfully refreshed from Google Patents.
Patent US3478852A successfully refreshed from Google Patents.
US3478852A
Expired / Lapsed
US
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Radial support structure for clutch hubs
Assignee: United States Department of the Army
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Filing: 1968-01-04
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Granted: 1969-11-18
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Expires: 1988-01-04
Abstract
No abstract record available.
Inventors
- 👤 Reece R Fuehrer
- 👤 James C Polak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:37
CPC Classifications
F; F16; F16D; F16D21/00; F16D21/02; F16D21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1177661A
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US1672582A
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US1928301A
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US2056050A
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US2400835A
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US2841023A
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US2916930A
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US2979176A
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US3093227A
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US3199648A
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US3391767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |