Patent US2894146A successfully refreshed from Google Patents.
US2894146A
Expired / Lapsed
US
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Impulse generating device
Assignee: General Electric Co
•
Filing: 1955-05-26
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Granted: 1959-07-07
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Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Harold F Crotty
- 👤 John F Scamman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:14
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/347; G01D5/34707; G01D5/34715
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2263228A
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US2364147A
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US2411147A
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US2451971A
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US2525147A
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US2490234A
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US2604528A
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US2537427A
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US2669310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |