Patent US2793266A successfully refreshed from Google Patents.
US2793266A
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Induction type alternating current relay
Assignee: SPX Technologies Inc
•
Filing: 1953-10-23
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Granted: 1957-05-21
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Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Wade H Reichard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:27
CPC Classifications
H; H01; H01H; H01H53/00; H01H53/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1525697A
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US1470566A
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CH148170A
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US2053619A
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US2114829A
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US2134956A
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US2301162A
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US2300886A
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US2345440A
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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) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |