US2782867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulser circuit
Assignee: Research Corp
•
Filing: 1952-09-03
•
Granted: 1957-02-26
•
Expires: 1972-09-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:04
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2000019A
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US2400456A
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US2405069A
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US2481925A
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US2405071A
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US2429471A
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US2446838A
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US2438962A
Cited
US2646503A
Cited
US2470550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |