Patent US2254339A successfully refreshed from Google Patents.
Patent DE678010C successfully refreshed from Google Patents.
← Back to Patent Explorer
DE678010C Expired / Lapsed DE ⏱️ 0.0 years remaining

Rotatable arrangement for direction finding by means of ultra-short electric waves of centimeter and decimeter length

Assignee: Julius Pintsch AG
•
Filing: 1932-12-07
•
Granted: 1939-06-24
•
Expires: 1952-12-07
📄 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 2026-10-23 22:27
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/38; H; H01; H01Q; H01Q25/00; H01Q25/02

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