FR973159A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Artificial fibers and their manufacturing process
Assignee: Marcel Delamare Deboutteville
•
Filing: 1941-07-01
•
Granted: 1951-02-08
•
Expires: 1961-07-01
Abstract
No abstract record available.
Inventors
- 👤 Marcel Delamare Deboutteville
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 17:08
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/20
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.