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.)
Stuart Russell Hugh
Original Assignee
Stuart Russell Hugh
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 Stuart Russell HughfiledCriticalStuart Russell Hugh
Priority to ES1969147953UpriorityCriticalpatent/ES147953Y/en
Publication of ES147953UpublicationCriticalpatent/ES147953U/en
Application grantedgrantedCritical
Publication of ES147953YpublicationCriticalpatent/ES147953Y/en
Periscope removable especially for sporting events, characterized in that it consists of a collapsible parallelepiped box-case for the disassembly of the consubstantial extensions that it presents, as two prolongations of two opposite lateral faces, which prolongations constitute in their first body the bases of the parallelepiped, which they extend in another advantageously determined area to support the mirrors falls are placed facing and parallel and fixed by means of tongues protruding to the end of these extensions of the bases, being inserted into respective slots determined on the opposite sides and because these grooved faces have its extreme edge comprised internally between the non-slotted faces, in such a way as to determine respective windows or peepholes that act as objective and ocular interchangeably. (Machine-translation by Google Translate, not legally binding)
ES1969147953U1969-04-261969-04-26
REMOVABLE PERISCOPE ESPECIALLY FOR SPECTACLES.
ExpiredES147953Y
(en)
4,6-O-Alkylidene-β-D-glucopyranoses for use as intermediates in the preparation of therapeutically valuable 4'-demethylpipodophyllotoxin-β-D-alkylidene glucosides and methods for their preparation.
Analogous process for the preparation of therapeutically active racemic and optically active 18-methyl-17α-ethynyl-5,6-dichloro-4,6-estradien-17β-oils or esters or ethers thereof.