Patent US2727531A successfully refreshed from Google Patents.
DE475595C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Press-casting machine with electrically heated crucible and a piston pump arranged in the molten metal of the crucible itself, through whose actuation the liquid metal is pressed into the injection mold and then pushed back into the melting crucible after the injection mold has been filled
Assignee: Individual
•
Filing: 1925-06-04
•
Granted: 1929-04-29
•
Expires: 1945-06-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 09:43
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/02; B22D17/06
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.