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US2482782A
Expired / Lapsed
US
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Pulse discrimination system
Assignee: Individual
•
Filing: 1947-02-13
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Granted: 1949-09-27
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Expires: 1967-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr George W Lenny
- 👤 Paul E Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:52
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089639A
Cited
US2426187A
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US2416088A
Cited
US2359447A
Cited
US2416306A
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US2413023A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |