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US2617883A
Expired / Lapsed
US
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Circuit for increasing duration of pulses
Assignee: Individual
•
Filing: 1945-12-10
•
Granted: 1952-11-11
•
Expires: 1965-12-10
Abstract
No abstract record available.
Inventors
- 👤 Hal O Anger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/04; H03K5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2145332A
Cited
US2211942A
Cited
US2412994A
Cited
US2382413A
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US2457559A
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US2448635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |