Patent FR1173386A successfully refreshed from Google Patents.
FR1173386A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Ferromagnetic ferrites based on lithium and zinc ferrite, their manufacturing process and magnetic core made with these ferrites
Assignee: Koninklijke Philips NV
•
Filing: 1957-03-27
•
Granted: 1959-02-24
•
Expires: 1977-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 14:14
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2608; C04B35/2616
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.