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Patent US2759062A successfully refreshed from Google Patents.
US2759062A
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Magnetic relay
Assignee: Bell Aircraft Corp
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Filing: 1952-05-02
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Granted: 1956-08-14
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Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 Richard J O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:38
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/36; H01H50/42; H01H50/54; H01H50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US684378A
Cited
US1863436A
Cited
US2397123A
Cited
US2483723A
Cited
US2539547A
Cited
US2606981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |