Patent US3037201A successfully refreshed from Google Patents.
US3037201A
Expired / Lapsed
US
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Control circuit
Assignee: DUNLAP AND ASSOCIATES Inc
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Filing: 1958-09-02
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Granted: 1962-05-29
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Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Charles R Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/022; G01S1/028; B; B66; B66B; B66B3/00; B66B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2398522A
Cited
US2493183A
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US2404011A
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US2712414A
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US2817479A
Cited
US2784359A
Cited
US2842311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |