Patent CH137997A successfully refreshed from Google Patents.
CH137997A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for the production of coils with conical ends.
Assignee: Steckborn Kunstseide Ag
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Filing: 1929-04-05
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Granted: —
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Expires: 1949-04-05
Abstract
No abstract record available.
Inventors
- 👤 A-G Steckborn Kunstseide
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-31 06:29
CPC Classifications
D; D01; D01D; D01D11/00; D01D11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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