US2892155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus responsive to direct quantities
Assignee: Westinghouse Electric Corp
•
Filing: 1954-08-09
•
Granted: 1959-06-23
•
Expires: 1974-08-09
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Radus
- 👤 William G Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/18; G01R19/20; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2157006A
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US2153378A
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US2149092A
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US2338423A
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US2272772A
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US2548176A
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US2644135A
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US2779911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-22 | 1962-12-22 | 1963-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-22 | 1966-12-22 | 1967-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-22 | 1970-12-22 | 1971-06-23 | $7700.00 | Window Closed / Lapsed |