US2497943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sewing-machine repair vise
Assignee: Cons Sewing Machine & Supply C
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Filing: 1947-12-11
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Granted: 1950-02-21
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Expires: 1967-12-11
Abstract
No abstract record available.
Inventors
- 👤 Ingwer Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:39
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5412; B25; B25B; B25B1/00; B25B1/24; B25B1/2405; B25B5/00; B25B5/006; B25B5/16; B25B5/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |