US2949548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable multivibrator
Assignee: General Dynamics Corp
•
Filing: 1958-06-18
•
Granted: 1960-08-16
•
Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Neil L Wiseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:29
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2070647A
Cited
US2079134A
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US2154200A
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US2373560A
Cited
US2356071A
Cited
US2491387A
Cited
US2843745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |