Patent FR1097342A successfully refreshed from Google Patents.
FR1097342A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Switching circuits
Assignee: AT&T Inc
•
Filing: 1954-03-10
•
Granted: 1955-07-04
•
Expires: 1974-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 09:02
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/383; H; H03; H03K; H03K19/00; H03K19/02; H03K19/16
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.