← Back to Patent Explorer
FR20620E Expired / Lapsed FR ⏱️ 0.0 years remaining

Electric switch for bell buttons, flashlights, canes, umbrellas, toys and other various applications

Assignee: SOSTHENE HENRI LIBER
•
Filing: 1917-10-30
•
Granted: 1918-11-04
•
Expires: 1937-10-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William Gould Brokaw
  • 👤 Sosthene-Henri Liber

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-29 03:01
CPC Classifications
F; F21; F21V; F21V23/00; F21V23/04; F21V23/0414; F21V33/00

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