US2930090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener
Assignee: Individual
•
Filing: 1956-08-01
•
Granted: 1960-03-29
•
Expires: 1976-08-01
Abstract
No abstract record available.
Inventors
- 👤 Robert L Brown
- 👤 Edwin F Elms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:38
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; F16B21/00; F16B21/06; F16B5/128; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1737375A
Cited
US1992093A
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US2188026A
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US2178719A
Cited
US2254310A
Cited
US2229802A
Cited
US2221009A
Cited
US2540396A
Cited
US2596596A
Cited
FR1015245A
Cited
US2820270A
Cited
US2677862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |