Patent DE657589C successfully refreshed from Google Patents.
← Back to Patent Explorer
DE657589C Expired / Lapsed DE ⏱️ 0.0 years remaining

Oil burner with coaxially arranged ring-shaped oil supply duct between two air supply pipes

Assignee: ETIENNE JEAN FRANCOIS GUILLOT
•
Filing: 1935-10-26
•
Granted: 1938-03-08
•
Expires: 1955-10-26
📄 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 2026-10-28 09:22
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24

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