Patent FR656855A successfully refreshed from Google Patents.
FR656855A
Expired / Lapsed
FR
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Sealing ring for crankshafts
Assignee: Michael Henry Ackerman
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Filing: 1928-06-30
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Granted: 1929-05-14
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Expires: 1948-06-30
Abstract
No abstract record available.
Inventors
- 👤 Michael Henry Ackerman
- 👤 Louis Christian Sickel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 17:56
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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