DE436633C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Oil firing for steam boiler
Assignee: Individual
•
Filing: 1924-05-29
•
Granted: 1926-11-05
•
Expires: 1944-05-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 23:50
CPC Classifications
F; F23; F23B; F23B7/00; F23D; F23D99/00; F23D99/002; F23D99/004; F23M; F23M5/00; F23M5/02; F23B2700/00; F23B2700/023; F23D2206/00; F23D2206/0005; F23M2700/00; F23M2700/005; F23M2700/0053
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.