Patent US2866870A successfully refreshed from Google Patents.
US2866870A
Expired / Lapsed
US
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Rotary armature and stator for use in relays
Assignee: S H COUCH CO Inc
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Filing: 1957-05-24
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Granted: 1958-12-30
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Expires: 1977-05-24
Abstract
No abstract record available.
Inventors
- 👤 Smiley Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:48
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1155502A
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US2101665A
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US2175046A
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US2422861A
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US2445401A
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US2499632A
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US2635155A
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US2722581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |