US2663292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for truing the grinding wheels of grinding machines
Assignee: Societe Genevoise dInstruments de Physique
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Filing: 1952-10-18
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Granted: 1953-12-22
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Expires: 1972-10-18
Abstract
No abstract record available.
Inventors
- 👤 Mottu Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:34
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/06; B24B53/08; B24B53/083; Y; Y10; Y10T; Y10T408/00; Y10T408/26
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |