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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Empresa Nacional de Optica SA
Original Assignee
Empresa Nacional de Optica SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Empresa Nacional de Optica SAfiledCriticalEmpresa Nacional de Optica SA
Priority to ES1970160873UpriorityCriticalpatent/ES160873Y/en
Publication of ES160873UpublicationCriticalpatent/ES160873U/en
Application grantedgrantedCritical
Publication of ES160873YpublicationCriticalpatent/ES160873Y/en
Eyepiece for indirect observation, characterized by the fact that it consists of a frame that can be attached to the user's head and in which are fixed one or two prismatic bodies that, acting by total reflection or refraction indistinctly, and properly positioned, allow deviating the movement of the light rays for observation of the considered surface in a direction approximately parallel to it, the assembly being able to incorporate a clamping system for conventional corrective lenses. (Machine-translation by Google Translate, not legally binding)
ES1970160873U1970-08-051970-08-05
GLASSES FOR INDIRECT OBSERVATION.
ExpiredES160873Y
(en)