Patent CH173331A successfully refreshed from Google Patents.
Patent US4797586A successfully refreshed from Google Patents.
DK75642C
Expired / Lapsed
DK
⏱️ 0.0 years remaining
Electromagnetic pick-up.
Assignee: Bang & Olufsen As
•
Filing: 1951-01-13
•
Granted: 1953-03-30
•
Expires: 1971-01-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DK
Data Source
google_patents
Last Synchronized
2026-11-03 09:44
CPC Classifications
—
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.