US2924777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyna-electronic transientgraph
Assignee: North American Aviation Corp
•
Filing: 1956-12-04
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Granted: 1960-02-09
•
Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick F Liu
- 👤 Ted W Berwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:36
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/04; G01R13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2227630A
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US2254023A
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US2304134A
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US2428021A
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US2426721A
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US2576818A
Cited
US2678964A
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US2863116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |