Patent FR500360A successfully refreshed from Google Patents.
FR500360A
Expired / Lapsed
FR
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Improvements to manhole doors, and the like, for tanks and compartments for water-ballast, petroleum, etc., as well as for other uses
Assignee: Individual
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Filing: 1919-06-03
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Granted: 1920-03-10
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Expires: 1939-06-03
Abstract
No abstract record available.
Inventors
- 👤 George Gordon Musted
- 👤 William Reid Becket
- 👤 Alexander Cross
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 21:24
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02
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Total Claims: 0
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References Cited (Backward Citations)
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