Patent US2873584A successfully refreshed from Google Patents.
US2873584A
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US
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Contactor and torque control device
Assignee: Phillips Petroleum Co
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Filing: 1954-12-02
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Granted: 1959-02-17
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Expires: 1974-12-02
Abstract
No abstract record available.
Inventors
- 👤 Harry N Claudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:59
CPC Classifications
G; G01; G01N; G01N11/00; G01N11/10; G01N11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254575A
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US2423620A
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US2522648A
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US2530981A
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US2527825A
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US2672487A
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US2682170A
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US2691300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |