← Back to Patent Explorer
FR500558A Expired / Lapsed FR ⏱️ 0.0 years remaining

Construction process for factory or other chimneys, in brick or rubble

Assignee: PAUL OEHLER
•
Filing: 1919-06-07
•
Granted: 1920-03-17
•
Expires: 1939-06-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paul Oehler

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 18:24
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/28

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