FR972433A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Use of products contained in waste tannery liquors
Assignee: Centre National de la Recherche Scientifique
•
Filing: 1941-03-13
•
Granted: 1951-01-30
•
Expires: 1961-03-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 23:39
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; C02F5/10
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.