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Patent US2880402A successfully refreshed from Google Patents.
US2880402A
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Assignee: General Electric Co
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Filing: 1954-10-20
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Granted: 1959-03-31
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Expires: 1974-10-20
Abstract
No abstract record available.
Inventors
- 👤 George F Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:48
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/04; G01K13/08; G01R; G01R31/00; G01R31/34; G01R31/343; H; H02; H02K; H02K11/00; H02K11/20; H02K11/25; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49222; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12431; Y10T428/31504; Y10T428/31678; Y10T428/31703; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982; Y10T428/31986
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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |