US2137652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener device
Assignee: Briggs Manufacturing Co
•
Filing: 1936-08-21
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Granted: 1938-11-22
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Expires: 1956-08-21
Abstract
No abstract record available.
Inventors
- 👤 Everett E Lundberg
- 👤 Clifford B Doty
- 👤 Edward R Hathaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
B; B60; B60R; B60R13/00; B60R13/02; B60R13/0206; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44017; Y10T24/44026; Y10T403/00; Y10T403/75
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) | 1941-11-21 | 1942-05-23 | 1942-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-21 | 1946-05-23 | 1946-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-21 | 1950-05-23 | 1950-11-22 | $7700.00 | Window Closed / Lapsed |