Patent US2933007A successfully refreshed from Google Patents.
US2933007A
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US
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Flat expanding insert having an arched connecting member
Assignee: BOOTS AIRCRAFT NUT Corp
•
Filing: 1956-03-27
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Granted: 1960-04-19
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Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Healy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:55
CPC Classifications
H; H01; H01R; H01R9/00; H01R9/16; F; F16; F16B; F16B37/00; F16B37/12; F16B37/122; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081; H01R4/00; H01R4/28; H01R4/30; H01R4/302; H01R4/34
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |