DE501641C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Hollow stone with chambers that are open on one side and run in the longitudinal direction
Assignee: Individual
•
Filing: 1927-05-19
•
Granted: 1930-07-03
•
Expires: 1947-05-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 11:01
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/14; E04B2002/0256; E04B2002/0258
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