DE499034C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Shaft dryer enclosed by a housing for powdery and coarse materials
Assignee: Individual
•
Filing: 1928-10-13
•
Granted: 1930-06-04
•
Expires: 1948-10-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 13:53
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/14; F26B17/1433; F26B17/1466; F26B17/1475; F26B17/122
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.