Patent FR550732A successfully refreshed from Google Patents.
FR550732A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Rolls of paper for copying machines, and method of securing such rolls
Assignee: MASCHB und VERTRIEBSGESELLSCHA
•
Filing: 1922-04-28
•
Granted: 1923-03-16
•
Expires: 1942-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 15:59
CPC Classifications
B; B41; B41L; B41L7/00; B41L7/02; B41L7/04
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.