US2693165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Westinghouse Electric Corp
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Filing: 1952-05-03
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Granted: 1954-11-02
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Expires: 1972-05-03
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Appleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:14
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/18; H01H9/182; G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; G05G1/105; H01H2009/183; Y; Y10; Y10S; Y10S116/00; Y10S116/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1850656A
Cited
US2081827A
Cited
US2191045A
Cited
US2218074A
Cited
US2334479A
Cited
US2541892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |