US2754641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holding and clamping mechanism for centerless grinding machines
Assignee: Bryant Grinder Corp
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Filing: 1954-02-01
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Granted: 1956-07-17
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Expires: 1974-02-01
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Bidwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:29
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/061; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191117167A
Cited
US1611545A
Cited
US2118020A
Cited
US2205989A
Cited
US2226309A
Cited
US2501387A
Cited
US2665112A
Cited
US2715304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |