US2534232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trigger circuit and switching device
Assignee: Individual
•
Filing: 1940-01-24
•
Granted: 1950-12-19
•
Expires: 1960-01-24
Abstract
No abstract record available.
Inventors
- 👤 Claud E Cleeton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:07
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/82; H03K3/00; H03K3/02; H03K3/04; H03K3/05; H03K3/06; H03K3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2146862A
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US2194559A
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US2158285A
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US2221115A
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US2189317A
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US2404919A
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US2404918A
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US2306386A
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US2324314A
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US2426454A
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US2396395A
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US2421606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |