Patent US2767609A successfully refreshed from Google Patents.
US2767609A
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US
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Spring urged nut having outwardly projecting teeth thereon
Assignee: EX Corp
•
Filing: 1952-06-24
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Granted: 1956-10-23
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Expires: 1972-06-24
Abstract
No abstract record available.
Inventors
- 👤 Walter F Cousino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:09
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/045; F16B37/046; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/957; Y10S411/959; Y10S411/965; Y10S411/97; Y10T; Y10T24/00; Y10T24/30; Y10T24/301; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2045; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/20636; Y10T74/20654; Y10T74/21; Y10T74/2142; Y10T74/2151
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2703663A
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US2676680A
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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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |