Patent CH77930A successfully refreshed from Google Patents.
CH77930A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Apparatus for suppressing smoke, dust and vapors
Assignee: Spoerri & Co
•
Filing: 1917-12-08
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Granted: —
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Expires: 1937-12-08
Abstract
No abstract record available.
Inventors
- 👤 Co Spoerri
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-27 23:36
CPC Classifications
—
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