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CH117121A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Paving slab.
Assignee: Keller Frei & Co
•
Filing: 1925-12-28
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Granted: —
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Expires: 1945-12-28
Abstract
No abstract record available.
Inventors
- 👤 Co Keller-Frei
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 09:14
CPC Classifications
E; E01; E01C; E01C5/00; E01C5/22; E01C2201/00; E01C2201/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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