US3548220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast recovery monostable multivibrator and method
Assignee: W K ROSENBERRY
•
Filing: 1967-02-01
•
Granted: 1970-12-15
•
Expires: 1987-02-01
Abstract
No abstract record available.
Inventors
- 👤 John V Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:10
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2770732A
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US2840727A
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US3114049A
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US2937291A
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US2901669A
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US3016468A
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US3037132A
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US3191064A
Cited
US3268738A
Cited
US3354323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |