DE35180C
Active / In Force
DE
Hollow cylinder made of masonry with helical vertical joints
Assignee: K. SCHLIEP-HACKE, Dr. phil., in Waldau b. Osterfeld, Bbzk. Halle
•
Filing: —
•
Granted: —
•
Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 08:56
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/28
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.