Patent JPS5549080A successfully refreshed from Google Patents.
Patent US2059090A successfully refreshed from Google Patents.
Patent FR556266A successfully refreshed from Google Patents.
FR556266A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Magnetic keys
Assignee: CIE DE FIVES LILLE
•
Filing: 1922-09-19
•
Granted: 1923-07-16
•
Expires: 1942-09-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 05:21
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/48; H02K3/487; H02K3/493
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.