Patent US3138187A successfully refreshed from Google Patents.
US3138187A
Expired / Lapsed
US
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Cage nut
Assignee: Bishop and Babcock Corp
•
Filing: 1961-01-26
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Granted: 1964-06-23
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Expires: 1981-01-26
Abstract
No abstract record available.
Inventors
- 👤 Leonard S Jaworski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:09
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/044; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/97
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1014684A
Cited
US2244823A
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US2273648A
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US2495037A
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US2585728A
Cited
US2875804A
Cited
US2815789A
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US2937681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |