US3051804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relays
Assignee: AMF Inc
•
Filing: 1960-12-28
•
Granted: 1962-08-28
•
Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Mayer Lewis Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:04
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1269563A
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US1481104A
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US1878076A
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US2324109A
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US2471181A
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US2421642A
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US2641665A
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US2798916A
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US2824923A
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US2797371A
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US2836674A
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US2837616A
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US2824924A
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US2896045A
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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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |