Patent US4056728A successfully refreshed from Google Patents.
Patent DE438693C successfully refreshed from Google Patents.
DE438693C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Hydraulic press for the production of molded parts from plastic masses
Assignee: G Siempelkamp GmbH and Co KG
•
Filing: 1925-05-15
•
Granted: 1926-12-21
•
Expires: 1945-05-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 04:59
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/02
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.