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.)
Expired
Application number
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Optische Anstalt CP Goerz AG
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Optische Anstalt CP Goerz AG
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Application filed by Optische Anstalt CP Goerz AGfiledCriticalOptische Anstalt CP Goerz AG
Application grantedgrantedCritical
Publication of GB190817071ApublicationCriticalpatent/GB190817071A/en
17,071. Optische Anstalt C. P. Goerz Akt.-Ges. Oct, 26, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. Levels.-The liquid-receptacle a and glass cover are held directly together without cement, the receptacle being made of glass to facilitate this and the contact surfaces d being polished as well as curved, to ensure an easy fit. A spring g may maintain the pressure, and the index circles are engraved &c. on the inner surface of the cover.
GB190817071D1907-10-261908-08-13Improvements in Levels.
ExpiredGB190817071A
(en)