US2591247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coincidence amplifier
Assignee: United States Atomic Energy Commission
•
Filing: 1948-02-27
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Granted: 1952-04-01
•
Expires: 1968-02-27
Abstract
No abstract record available.
Inventors
- 👤 Hugh D Farnsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/17; H; H03; H03K; H03K17/00; H03K17/51; H03K17/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2188970A
Cited
US2405238A
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US2277000A
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US2403527A
Cited
US2419340A
Cited
US2482782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |