Patent US3536941A successfully refreshed from Google Patents.
US3536941A
Expired / Lapsed
US
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Linear synchronous electric motor with reciprocating armature
Assignee: Eaton Corp
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Filing: 1967-10-10
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Granted: 1970-10-27
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Expires: 1987-10-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick Tourtellotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US469441A
Cited
US796259A
Cited
US2245577A
Cited
US2469137A
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US3018467A
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US2897384A
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US3070024A
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US3013189A
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US3058649A
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US3238397A
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US3312842A
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FR1450818A
Cited
FR1523129A
Cited
FR90618E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |