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:
Jan. 02, 1979
Filed:
Nov. 22, 1977
Dov Z Glucksman, Newton, MA (US);
Karl H Weidemann, Brookline, MA (US);
Other;
Abstract
A space heater comprises a heater plate made of a metal sheet provided with vertical corrugations, the corrugations in the bottom portion of the sheet being compressed to a flat strip of a thickness not less than three times the thickness of the sheet. The corrugations are so dimensioned that the unfolded length of the metal sheet is three times the length of the corrugated length of the heater body. One, two or more electric flat heating elements are laid along the compressed bottom edge and pressed against it by a U-shaped retaining channel. When serving as a room air-heater, the heater plate is covered on one or both sides by protective panels to prevent people from touching the hot plate and to increase convective air current flow.