Patent DE21132C successfully refreshed from Google Patents.
DE21132C
Active / In Force
DE
Innovations in the forward movement of torpedoes swimming underwater and the apparatus used for them
Assignee: W. F. JOHNSTON, M. M. JOHNSTON und W. A. JOHNSTON in New-York, V. St. A
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Filing: —
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Granted: —
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Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 15:20
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/12; F42B19/14; F42B19/20
Claims Analysis
Total Claims: 0
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