← Back to Patent Explorer
DE821944C Expired / Lapsed DE ⏱️ 0.0 years remaining

Device for projecting typed characters while writing

Assignee: Optische Werke CA Steinheil Soehne GmbH
•
Filing: 1948-10-02
•
Granted: 1951-11-22
•
Expires: 1968-10-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dipl-Ing Josef Bachel
  • 👤 Willi Wessel

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-05 02:36
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/18; B41J29/19

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