CH452465A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Screw connection for sheet metal pipes, especially for well construction and pile foundations
Assignee: Celler Maschf Geb
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Filing: 1966-06-08
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Granted: —
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Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Duerkefaelden Karl
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-04 19:38
CPC Classifications
F; F16; F16L; F16L25/00; F16L25/06; F16L25/065; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/046; E21B17/0465; E21B17/08
Claims Analysis
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References Cited (Backward Citations)
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