← Back to Patent Explorer
DE570326C Expired / Lapsed DE ⏱️ 0.0 years remaining

Double hammer with hammer heads working against each other

Assignee: Beche and Grohs GmbH
•
Filing: 1931-12-10
•
Granted: 1933-02-15
•
Expires: 1951-12-10
📄 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 2026-11-09 14:41
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/20; B21J7/22; B21J7/34

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