US3013976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing anisotropic ferromagnetic bodies from ferromagnetic material having a non-cubic crystal structure
Assignee: US Philips Corp
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Filing: 1957-05-29
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Granted: 1961-12-19
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Expires: 1977-05-29
Abstract
No abstract record available.
Inventors
- 👤 Stuijts Andreas Leopoldus
- 👤 Wijn Henricus Petrus Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:26
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2641; C04B35/2608; C04B35/2633; C04B35/2683
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A METHOD OF PRODUCING A MAGNETICALLY ORIENTED BODY AS DEFINED IN CLAIM 1 IN WHICH THE MATERIAL HAS THE COMPOSITION:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |