Patent DE742929C successfully refreshed from Google Patents.
DE742929C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for freezing liquids
Assignee: Linde GmbH
•
Filing: 1942-08-11
•
Granted: 1943-12-15
•
Expires: 1962-08-11
Abstract
No abstract record available.
Inventors
- 👤 Ernst Hofmann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 15:19
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04; F25C1/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.