Patent US4295643A successfully refreshed from Google Patents.
DE709331C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for bleaching and clarifying gelatine or glue solutions
Assignee: Tannerie & Maroquinerie Belges
•
Filing: 1938-07-21
•
Granted: 1941-08-13
•
Expires: 1958-07-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 17:13
CPC Classifications
C; C09; C09H; C09H3/00; C09H3/02
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.