FR708935A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Automatic door opener
Assignee: Westinghouse Electric Corp
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Filing: 1931-01-07
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Granted: 1931-07-30
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Expires: 1951-01-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
B; B66; B66B; B66B13/00; B66B13/02; B66B13/06; B66B13/08
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References Cited (Backward Citations)
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