US3428374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-lubricating bearing
Assignee: Kaman Corp
•
Filing: 1966-04-13
•
Granted: 1969-02-18
•
Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 Stanley S Orkin
- 👤 Vincent J Hudacko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:47
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/043; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C23/046; F16C33/16; F16C2206/00; F16C2206/40; F16C2206/42; F16C2206/44; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733968A
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US1694438A
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US2319240A
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US2365552A
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US2482205A
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US2648573A
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US2745437A
Cited
AT187756B
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US3022685A
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US3020101A
Cited
US3284144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |