FR684418A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to gramophones
Assignee: Koninklijke Philips NV
•
Filing: 1929-11-05
•
Granted: 1930-06-25
•
Expires: 1949-11-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 19:23
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/09; G11B3/093; G11B3/10; G11B3/34; G11B3/38
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.