Patent US2180925A successfully refreshed from Google Patents.
US2180925A
Expired / Lapsed
US
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Fastener member
Assignee: United Carr Fastener Corp
•
Filing: 1937-10-09
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Granted: 1939-11-21
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Expires: 1957-10-09
Abstract
No abstract record available.
Inventors
- 👤 Dyresen Didrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:14
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; F16B5/128; Y; Y10; Y10T; Y10T24/00; Y10T24/30; Y10T24/304; Y10T24/307
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-11-20 | 1943-05-22 | 1943-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-20 | 1947-05-22 | 1947-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-20 | 1951-05-22 | 1951-11-21 | $7700.00 | Window Closed / Lapsed |