FR597326A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for the production of blanks of envelopes, by means of rolled paper strips
Assignee: Otto Widmaier
•
Filing: 1925-03-20
•
Granted: 1925-11-18
•
Expires: 1945-03-20
Abstract
No abstract record available.
Inventors
- 👤 Otto Widmaier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 05:11
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/10; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/106
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.