← Back to Patent Explorer
DE520989C Expired / Lapsed DE ⏱️ 0.0 years remaining

Cinema playback machine

Assignee: Zeiss Ikon AG
•
Filing: 1930-01-16
•
Granted: 1931-03-14
•
Expires: 1950-01-16
📄 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 2026-10-27 09:28
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/42; G03B1/48; G03B1/50

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