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US2574376A
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Assignee: General Electric Co
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Filing: 1949-12-24
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Granted: 1951-11-06
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Expires: 1969-12-24
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Childs
- 👤 Frank A Schnell
- 👤 Richard J Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:24
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/16; H01Q3/18; G; G01; G01S; G01S1/00; G01S1/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |