FR893643A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Diving telescope and porthole for panoramic exploration of the seabed and underwater spaces
Assignee: Henri Dreyfus
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Filing: 1943-05-14
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Granted: 1944-08-08
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Expires: 1963-05-14
Abstract
No abstract record available.
Inventors
- 👤 Henri Dreyfus
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 11:51
CPC Classifications
A; A63; A63B; A63B33/00; A63B33/002; B; B63; B63C; B63C11/00; B63C11/02; B63C11/12
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