Patent US2597476A successfully refreshed from Google Patents.
US2597476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnet
Assignee: Westinghouse Electric Corp
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Filing: 1948-03-24
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Granted: 1952-05-20
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Expires: 1968-03-24
Abstract
No abstract record available.
Inventors
- 👤 Goldman Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:25
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/10; H05; H05H; H05H7/00; H05H7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN ELECTROMAGNET COMPRISING A CORE OF MAGNETIC MATERIAL HAVING A POLE PROVIDED WITH A RECESSED EDGE EXTENDING AROUND THE ENTIRE FACE OF THE POLE, AND A MEMBER OF MAGNETIC MATERIAL HAVING SUFFICIENTLY HIGHER SATURATION FLUX DENSITY THAN THAT OF SAID CORE AND POLE MATERIAL DISPOSED IN AND FILLING SAID RECESS THAT SUBSTANTIALLY UNIFORM FLUX DENSITY HAVING MAY BE MAINTAINED ACROSS SAID POLE FACE.
Claim 2
Dependent Claim
63 words
AN ELECTROMAGNET COMPRISING A CORE OF MAGNETIC MATERIAL HAVING A POLE PROVIDED WITH A RECESSED EDGE EXTENDING AROUND THE ENTIRE FACE OF THE POLE, AND A MEMBER OF MAGNETIC MATERIAL HAVING SUFFICIENTLY HIGHER SATURATION FLUX DENSITY THAN THAT OF SAID CORE AND POLE MATERIAL DISPOSED IN AND FILLING SAID RECESS THAT SUBSTANTIALLY UNIFORM FLUX DENSITY HAVING MAY BE MAINTAINED ACROSS SAID POLE FACE.
References Cited (Backward Citations)
US1784827A
Cited
US1875004A
Cited
US1948384A
Cited
US1956279A
Cited
US2141890A
Cited
US2245373A
Cited
US2292191A
Cited
US2297305A
Cited
US2482860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |