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US2647241A
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Assignee: Westinghouse Electric Corp
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Filing: 1949-10-17
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Granted: 1953-07-28
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Expires: 1969-10-17
Abstract
No abstract record available.
Inventors
- 👤 Sheldon I Rambo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/04; H01; H01P; H01P7/00; H01P7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2405437A
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US2416827A
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GB598926A
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US2551756A
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US2483419A
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US2578429A
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US2511586A
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US2560685A
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US2575199A
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US2516287A
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US2494596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |