US2826012A
Expired / Lapsed
US
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Apparatus for continuous calibration of machining operations on machine tools
Assignee: Renault SA
•
Filing: 1956-01-24
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Granted: 1958-03-11
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Expires: 1976-01-24
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:31
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/02; B24B49/04; B24B49/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2521979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |