Patent US2764416A successfully refreshed from Google Patents.
US2764416A
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Releasable tool holders
Assignee: Charles J Martin & Sons
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Filing: 1954-06-25
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Granted: 1956-09-25
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Expires: 1974-06-25
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:45
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/38; F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/2022; F16D43/2024; F16D7/00; F16D7/04; F16D7/042; F16D7/044; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T408/00; Y10T408/70; Y10T408/73
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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |