← Back to Patent Explorer
DE475877C Expired / Lapsed DE ⏱️ 0.0 years remaining

Sheet metal holder for drawing presses with a sheet metal holder ring to be pressed down against the action of a compressed air piston and then automatically raised again by the compressed air

Assignee: L Schuler GmbH
•
Filing: 1928-02-04
•
Granted: 1929-05-11
•
Expires: 1948-02-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-26 19:22
CPC Classifications
B; B21; B21D; B21D24/00; B21D24/04; B21D24/08

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag