Patent US4800504A successfully refreshed from Google Patents.
Patent DE971199C successfully refreshed from Google Patents.
DE971199C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of plastics
Assignee: Keramchemie GmbH
•
Filing: 1952-10-30
•
Granted: 1958-12-24
•
Expires: 1972-10-30
Abstract
No abstract record available.
Inventors
- 👤 Dr Guenther Schuecking
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 12:48
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/06; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/63; C08G18/637; C08G18/67; C08G18/68
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.