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US2493097A
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Assignee: RCA Corp
•
Filing: 1941-03-20
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Granted: 1950-01-03
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Expires: 1961-03-20
Abstract
No abstract record available.
Inventors
- 👤 Wolff Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:08
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/87; G01S13/876; G01S1/00; G01S1/02; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750668A
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US2118518A
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US2098287A
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US2134716A
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US2227598A
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US2225046A
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US2198113A
Cited
US2248215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |