Patent FR546591A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR546591A Expired / Lapsed FR ⏱️ 0.0 years remaining

Gas safety device

Assignee: Georges Boillon
•
Filing: 1921-12-05
•
Granted: 1922-11-16
•
Expires: 1941-12-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Georges Boillon
  • 👤 Baptiste Platel

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 10:56
CPC Classifications
F; F17; F17D; F17D5/00; F17D5/005

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