Patent DE430225C successfully refreshed from Google Patents.
DE430225C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for cleaning the exterior of finned tubes for preheaters, condensers, etc. like
Assignee: OTTO LEISSNER DR
•
Filing: —
•
Granted: 1926-06-11
•
Expires: 1943-06-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 21:58
CPC Classifications
F; F23; F23J; F23J3/00; F23J3/02
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.