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Patent US2864269A successfully refreshed from Google Patents.
US2864269A
Expired / Lapsed
US
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Headstock for highly accurate machine tools
Assignee: Societe Genevoise dInstruments de Physique
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Filing: 1955-08-22
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Granted: 1958-12-16
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Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Mottu Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:05
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/017; Y; Y10; Y10T; Y10T408/00; Y10T408/91; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776
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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |