US2183169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making fasteners
Assignee: GE Prentice Manufacturing Co
•
Filing: 1938-11-05
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Granted: 1939-12-12
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Expires: 1958-11-05
Abstract
No abstract record available.
Inventors
- 👤 George E Prentice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:42
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785; Y10T29/49826; Y10T29/49881
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) | 1942-12-11 | 1943-06-12 | 1943-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-12-11 | 1947-06-12 | 1947-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-12-11 | 1951-06-12 | 1951-12-12 | $7700.00 | Window Closed / Lapsed |