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US2860105A
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Method of manufacturing ferromagnetic cores
Assignee: US Philips Corp
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Filing: 1954-12-20
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Granted: 1958-11-11
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Expires: 1974-12-20
Abstract
No abstract record available.
Inventors
- 👤 Gorter Evert Willem
- 👤 Esveldt Cornelis Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:19
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
IN A METHOD OF MANUFACTURING A MAGNET CORE HAVING A SUBSTANTIALLY RECTANGULAR HYSTERERIS LOOP IN WHICH
Claim 2
Dependent Claim
16 words
IN A METHOD OF MANUFACTURING A MAGNET CORE HAVING A SUBSTANTIALLY RECTANGULAR HYSTERERIS LOOP IN WHICH
References Cited (Backward Citations)
GB697219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |