Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Krupp Stahl AG
Fried Krupp AG
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Krupp Stahl AG
Fried Krupp AG
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Application filed by Krupp Stahl AG, Fried Krupp AGfiledCriticalKrupp Stahl AG
Application grantedgrantedCritical
Publication of FR406835ApublicationCriticalpatent/FR406835A/en
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
G02B23/08—Periscopes
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Physics & Mathematics
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Astronomy & Astrophysics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
FR406835D1909-02-171909-09-07
Panoramic sight for artillery pieces
ExpiredFR406835A
(en)