Patent FR555488A successfully refreshed from Google Patents.
FR555488A
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FR
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Improvements to sealants
Assignee: John Hetherington
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Filing: 1922-08-29
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Granted: 1923-06-30
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Expires: 1942-08-29
Abstract
No abstract record available.
Inventors
- 👤 John Hetherington
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 15:20
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16
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Total Claims: 0
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References Cited (Backward Citations)
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