Patent DE490799C successfully refreshed from Google Patents.
DE490799C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Rotary kiln in which more than half of the furnace cross-section is filled with the material
Assignee: ALBIN NILSSON
•
Filing: 1929-03-20
•
Granted: 1930-02-03
•
Expires: 1949-03-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 19:35
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/36; F27B7/02; F27B7/04; F27B2007/043; F27B7/362; F27B2007/367
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.