Patent US4518772A successfully refreshed from Google Patents.
Patent FR812781A successfully refreshed from Google Patents.
FR812781A
Expired / Lapsed
FR
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Swimming collar
Assignee: Hans Schier
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Filing: 1936-10-30
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Granted: 1937-05-18
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Expires: 1956-10-30
Abstract
No abstract record available.
Inventors
- 👤 Hans Schier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 08:46
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/13; B63C9/15; B63C9/155; B63C2009/133
Claims Analysis
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References Cited (Backward Citations)
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