DE338198C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of artificial leather
Assignee: Individual
•
Filing: 1920-03-27
•
Granted: 1921-06-14
•
Expires: 1940-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 06:40
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/593; B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D04H1/04; D04H1/08; D04H1/16; D06; D06N; D06N3/00; D06N3/0002; D06N3/0013
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.