FR787315A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Apparatus of t. s. f. allowing two simultaneous transmissions
Assignee: Brel Clovis Eugene
•
Filing: 1935-02-08
•
Granted: 1935-09-20
•
Expires: 1955-02-08
Abstract
No abstract record available.
Inventors
- 👤 Brel Clovis Eugene
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/06
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.