US2387449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Squeeze riveter
Assignee: Independent Pneumatic Tool Co
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Filing: 1942-08-17
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Granted: 1945-10-23
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Expires: 1962-08-17
Abstract
No abstract record available.
Inventors
- 👤 Frank A Kaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:45
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/18; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/5377; Y10T29/53774; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896; Y10T74/18992
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) | 1948-10-22 | 1949-04-23 | 1949-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-22 | 1953-04-23 | 1953-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-22 | 1957-04-23 | 1957-10-23 | $7700.00 | Window Closed / Lapsed |