Patent DE663669C successfully refreshed from Google Patents.
DE663669C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Sealing of bridge abutments, wing walls, retaining walls, etc. like
Assignee: WILHELM WIEDEY
•
Filing: 1935-02-27
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Granted: 1938-08-11
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Expires: 1955-02-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 15:36
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/02
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