The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 1979
Filed:
Nov. 25, 1977
Applicant:
Inventors:
Werner Rommel, Wildbad, DE;
Franz Starp, Wildbad, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
250515 ; 250505 ;
Abstract
A shielding device for the protection of human embryo cells from the effects of radiation during examination by X-ray comprising a radiant absorbent protective screen rotatably secured to a supporting frame, the screen including a central protective plate of predetermined shape; a first plurality of protective displaceable sheets, a second plurality of protective sheets associated with said first protective sheets mounted in pairs and being rotatable on one pair of said first sheets and adjusting means to linearly displace the first protective sheets to vary the covering surface area of the screen.