Patent USRE28317E successfully refreshed from Google Patents.
Patent FR862764A successfully refreshed from Google Patents.
FR862764A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Heterodyne reception setup
Assignee: Koninklijke Philips NV
•
Filing: 1940-01-05
•
Granted: 1941-03-14
•
Expires: 1960-01-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 10:31
CPC Classifications
H; H03; H03D; H03D7/00; H03D7/06; H03D7/08
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.