Patent US2562915A successfully refreshed from Google Patents.
US2562915A
Expired / Lapsed
US
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Double pulse discriminator
Assignee: Individual
•
Filing: 1945-11-13
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Granted: 1951-08-07
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Expires: 1965-11-13
Abstract
No abstract record available.
Inventors
- 👤 Conrad H Hoeppner
- 👤 Henry R Murphy
- 👤 Jr Neil Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:17
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2255839A
Cited
US2359447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |