Patent CA704843A successfully refreshed from Google Patents.
Patent FR392819A successfully refreshed from Google Patents.
FR392819A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Envelope for letters, business papers, samples forming at the same time a prospectus, advertisement-advertisement, instructions and their equivalent
Assignee: Individual
•
Filing: 1908-07-30
•
Granted: 1908-12-07
•
Expires: 1928-07-30
Abstract
No abstract record available.
Inventors
- 👤 Max Schulz
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 15:03
CPC Classifications
B; B42; B42D; B42D15/00; B42D15/02; B42D15/04; B42D15/08
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.