Patent DE520754C successfully refreshed from Google Patents.
DE520754C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Wavy and split spring washer for tensioning piston sealing rings and the like. like
Assignee: Individual
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Filing: 1928-11-13
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Granted: 1931-03-13
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Expires: 1948-11-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 21:46
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/06; F16J9/061; F16J9/063
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Total Claims: 0
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References Cited (Backward Citations)
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