DE862500C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of packaging material from cellulose hydrate films
Assignee: EIDP Inc
•
Filing: 1950-04-05
•
Granted: 1953-01-12
•
Expires: 1970-04-05
Abstract
No abstract record available.
Inventors
- 👤 Aurelius Franklin Chapman
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 18:24
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/043; C08J7/052; C08J2301/00; C08J2301/06; C08J2475/00; C08J2475/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31953
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR865746A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.