FR851634A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for identifying cards by punching and sorting punched cards, cards and sorting device for its application
Assignee: D INSTR DE PREC SOC IND
•
Filing: 1938-09-17
•
Granted: 1940-01-12
•
Expires: 1958-09-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 06:22
CPC Classifications
G; G06; G06K; G06K21/00; G06K21/04
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.