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US2427089A
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Assignee: Westinghouse Electric Corp
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Filing: 1942-10-28
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Granted: 1947-09-09
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Expires: 1962-10-28
Abstract
No abstract record available.
Inventors
- 👤 Clifford David Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:21
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/10; H01P1/14; H01J; H01J17/00; H01J17/02; H01J17/04; H01P7/00; H01P7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093567A
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US2148488A
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US2200023A
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GB484144A
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US2197122A
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US2218331A
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US2298335A
Cited
US2407690A
Cited
US2407069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |