US2912744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: EVEREDE TOOL Co
•
Filing: 1954-03-26
•
Granted: 1959-11-17
•
Expires: 1974-03-26
Abstract
No abstract record available.
Inventors
- 👤 John R Proksa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/22; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/112; Y10T407/22; Y10T407/2222; Y10T407/2252; Y10T407/2272; Y10T407/2282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR880991A
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US2400708A
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US2365079A
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US2449823A
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US2450365A
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FR1025299A
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FR1041370A
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US2737705A
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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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |