US3404492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable work holder for machine tools
Assignee: Warner and Swasey Co
•
Filing: 1966-12-20
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Granted: 1968-10-08
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Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Roger H Fournier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:49
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/36; B24B5/42; B24B5/421
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |