US2981850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor pulse response circuit
Assignee: North American Aviation Corp
•
Filing: 1956-08-08
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Granted: 1961-04-25
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Expires: 1976-08-08
Abstract
No abstract record available.
Inventors
- 👤 Eugene A Hoskinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:32
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2708720A
Cited
US2594449A
Cited
US2752530A
Cited
US2706811A
Cited
US2840728A
Cited
US2831986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |