CH96831A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for attaching drill pipes to the roof surface.
Assignee: Maass Richard
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Filing: 1921-06-24
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Granted: —
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Expires: 1941-06-24
Abstract
No abstract record available.
Inventors
- 👤 Maass Richard
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-28 05:30
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/14; E04D13/147; E04D13/1473; E04D13/1476; E04D1/00; E04D1/30; E04D2001/307
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References Cited (Backward Citations)
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