FR900655A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Tanning agents and their manufacturing process
Assignee: Progil SARL
•
Filing: 1943-08-18
•
Granted: 1945-07-05
•
Expires: 1963-08-18
Abstract
No abstract record available.
Inventors
- 👤 Marcel-Ernest Degeorges
- 👤 Louis Gelpi
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 02:06
CPC Classifications
C; C14; C14C; C14C3/00; C14C3/02; C14C3/08; C14C3/18; C14C3/20
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.