← Back to Patent Explorer
DE575426C Expired / Lapsed DE ⏱️ 0.0 years remaining

Electrical circuit using Thomson's bridge circuit to measure faults in laid railroad tracks

Assignee: REICHSBAHN GES REICHSBAHN ZENT
•
Filing: 1931-05-13
•
Granted: 1933-04-29
•
Expires: 1951-05-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rudolf Radde

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-23 03:26
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/08; B61K9/10

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