US2673359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for forming recesses and sockets of high torque strength
Assignee: Individual
•
Filing: 1951-01-11
•
Granted: 1954-03-30
•
Expires: 1971-01-11
Abstract
No abstract record available.
Inventors
- 👤 Domnic V Stellin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:30
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; B21K1/463; B21K5/00; B21K5/20; Y; Y10; Y10S; Y10S411/00; Y10S411/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2084078A
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US2082085A
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US2125272A
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US2129440A
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US2244381A
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US2268515A
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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) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |