US2715706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor control circuit
Assignee: CONTINENTAL ENGINEERING Corp
•
Filing: 1949-11-30
•
Granted: 1955-08-16
•
Expires: 1969-11-30
Abstract
No abstract record available.
Inventors
- 👤 Pao H Chin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:54
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1145569A
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US1077662A
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US1227810A
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US1367138A
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US1610080A
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US1703822A
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US1730283A
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US1877513A
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US2023096A
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US1943096A
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US2534751A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |