US2712623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-hunt circuit for electric motor follow-up system
Assignee: International Standard Electric Corp
•
Filing: 1952-06-19
•
Granted: 1955-07-05
•
Expires: 1972-06-19
Abstract
No abstract record available.
Inventors
- 👤 Yosano Iku
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:01
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1942587A
Cited
US2132960A
Cited
US2079497A
Cited
US2471075A
Cited
US2445289A
Cited
US2674707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |