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Patent US2924873A successfully refreshed from Google Patents.
US2924873A
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Thermally controlled coolant supply for metal cutting tools
Assignee: Gulf Research and Development Co
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Filing: 1956-08-28
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Granted: 1960-02-16
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Expires: 1976-08-28
Abstract
No abstract record available.
Inventors
- 👤 Knowles Joseph Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:24
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/10; B23B; B23B27/00; B23B27/10; Y; Y10; Y10S; Y10S29/00; Y10S29/091; Y10T; Y10T407/00; Y10T407/14; Y10T408/00; Y10T408/44; Y10T82/00; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2255094A
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US2273698A
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GB610819A
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US2561043A
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US2600453A
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US2756771A
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US2653517A
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US2641047A
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US2716368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |