US2741023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making slit pins having continuously bevelled ends
Assignee: SPS Technologies LLC
•
Filing: 1952-09-27
•
Granted: 1956-04-10
•
Expires: 1972-09-27
Abstract
No abstract record available.
Inventors
- 👤 Rafter Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:10
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/02; B21D51/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1924230A
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US2630174A
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US2586063A
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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) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |