Patent US3131869A successfully refreshed from Google Patents.
US3131869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coolant device for machine tools
Assignee: V & W Machine Products Inc
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Filing: 1962-04-02
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Granted: 1964-05-05
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Vega Sebastian
- 👤 Samuel G Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:14
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/10; B23Q11/1084; B05; B05B; B05B7/00; B05B7/02; B05B7/12; B24; B24B; B24B55/00; B24B55/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2824363A
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US2868584A
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US2850323A
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US2893645A
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US2895684A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |