| 摘要 |
<p>483,728. Electric discharge lamps. SCHAFFNER, H. A. H. J. July 20, 1936, Nos. 20120, 20121, and 20122. Convention dates, July 19, 1935, Oct. 18, 1935, and June 30,1936. [Class 39 (i)] [Also in Group XI] The Specification as open to inspection under Sect. 91 comprises a sodium vapour electric discharge tube 33 enclosed in a partly silvered, elongated outer wall 32 of circular, hyperbolic, or elliptical form. This subject-matter does not appear in the Specification as accepted.</p> |
