Patent US3514674A successfully refreshed from Google Patents.
US3514674A
Expired / Lapsed
US
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Device for electromagnetically controlling the position off an armature
Assignee: Mitsubishi Electric Corp
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Filing: 1967-05-09
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Granted: 1970-05-26
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Expires: 1987-05-09
Abstract
No abstract record available.
Inventors
- 👤 Toshio Ito
- 👤 Toshimoto Okura
- 👤 Toshiji Takami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:16
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2209; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607; H01F7/18; H01F7/1872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |