← Back to Patent Explorer
DE563140C Expired / Lapsed DE ⏱️ 0.0 years remaining

Electrical switch with contacts arranged in a vacuum chamber

Assignee: Individual
•
Filing: 1927-07-19
•
Granted: 1932-11-03
•
Expires: 1947-07-19
📄 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 2026-10-26 16:23
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66238; H01H33/6606; H01H2033/6613; H01H33/66207; H01H2033/66223

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