DE554447C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Traveling grate firing with several underwind chambers and increased air supply towards the end of the grate
Assignee: Walther and Co AG
•
Filing: 1927-10-16
•
Granted: 1932-07-08
•
Expires: 1947-10-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 13:56
CPC Classifications
F; F23; F23H; F23H11/00; F23H11/10
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.