Patent US4015198A successfully refreshed from Google Patents.
Patent FR785744A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR785744A Expired / Lapsed FR ⏱️ 0.0 years remaining

Gas protection mask

Assignee: SEPEWE EKSPORT PRZEMYSLU OBRON
•
Filing: 1935-02-16
•
Granted: 1935-08-17
•
Expires: 1955-02-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-05 17:53
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/04

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