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US2669873A
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Assignee: General Electric Co
•
Filing: 1950-03-22
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Granted: 1954-02-23
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Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 George F Gardner
- 👤 Theodore A Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:21
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/56; G01F1/58; G01F1/05; G01F1/34; G01F1/36; G01F1/37; G01F1/372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US803029A
Cited
US1291056A
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US1451064A
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FR571753A
Cited
US1518279A
Cited
US2149847A
Cited
US2269068A
Cited
US2386369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |