Patent US2892132A successfully refreshed from Google Patents.
US2892132A
Expired / Lapsed
US
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Electrical control circuit
Assignee: Individual
•
Filing: 1955-08-23
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Granted: 1959-06-23
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Mallory Henry Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
H; H01; H01H; H01H47/00; H01H47/002; H01H47/004; H01H47/22; H01H47/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US821672A
Cited
US1535360A
Cited
US1867212A
Cited
US1897749A
Cited
US2450924A
Cited
US2424243A
Cited
US2632072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-22 | 1962-12-22 | 1963-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-22 | 1966-12-22 | 1967-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-22 | 1970-12-22 | 1971-06-23 | $7700.00 | Window Closed / Lapsed |