US2438025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Westinghouse Electric Corp
•
Filing: 1944-02-10
•
Granted: 1948-03-16
•
Expires: 1964-02-10
Abstract
No abstract record available.
Inventors
- 👤 William R Taliaferro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:52
CPC Classifications
H; H02; H02B; H02B1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1042747A
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US1024587A
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US1900595A
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US1955287A
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US1838515A
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US1958916A
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US2041112A
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US2086424A
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US2050378A
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US2199626A
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US2201344A
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US2331255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |