US2767357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic actuator
Assignee: Molyneux & Aspinwall Inc
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Filing: 1952-09-10
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Granted: 1956-10-16
•
Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Edward V Naybor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14; H01F7/145; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |