FR929341A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Butterfly refinements for accounting books and all other applications
Assignee: Kalamazoo SA Des Ets
•
Filing: 1946-01-07
•
Granted: 1947-12-23
•
Expires: 1966-01-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 18:04
CPC Classifications
B; B42; B42D; B42D13/00; B42F; B42F5/00
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.