Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Heat recirculator D252641 Heat recirculator Patent Drawings: Inventor: LaZar Date Issued: August 14, 1979 Application: 05/766,914 Filed: February 9, 1977 Inventors: LaZar; Ralph M. (Skokie, IL) Assignee: Broan Manufacturing Co., Inc. (Hartford, WI) Primary Examiner: Largen; James R. Assistant Examiner: Attorney Or Agent: Fetterley; Daniel D. U.S. Class: 454/231; D23/370 Field Of Search: D23/83; D23/90; D23/111; D23/112; D23/113; D23/114; D23/115; D23/116; D23/117; D23/118; D23/119; D23/127; D23/128; D23/129; D23/130; D23/131; D23/132; D23/133; D23/134; D23/135; D23/136; D23/137; D23/138; D23/139; D23/140; D23/141; D23/142; D23/143; D23/144; D23/145; D23/146; D23/147; D23/148; D23/149; D23/150; D23/151; D23/152; D23/153; D23/154; D23/155; D23/156; D23/157; D23/158; D23/159; D23/160; D23/161; D23/162; D23/163; D23/164; D23/165; D23/166; D23/167; 98/33R; 98/33A International Class: U.S Patent Documents: D173531; D176137; D238278; 2251725; 3347025; 3827342 Foreign Patent Documents: Other References: Abstract: Claim: The ornamental design for a heat recirculator, as shown. Description: FIG. 1 is a perspective view of a heat recirculator showing my new design. FIG. 2 is a front view thereof. FIG. 3 is a side view thereof. FIG. 4 is a top plan view thereof. * * * * *       Recently Added Patents Disposable/removable tubing set for use with an electrosurgical instrument Bioengineered tissue substitutes Furrow clearing apparatus for the preparation of seed beds Arrangement for and a method of treating pulp, and a method of modernizing a pulp tower Motion picture encoding and counterfeit tracking system and method Preform conveyor system provided with means for ejecting badly seized preforms Charge advice in telecommunication systems   Randomly Featured Patents Calibrachoa plant named `Sunbelflam` Structure of a barbeque push-cart Use of indolenine-cyaninedisulphonic acid derivatives Nozzle seal assembly with removable baseplate System and method for providing expense reports to wireless service subscribers Insulated gate type transistors Ink for ink-jet recording Portion of an off-highway truck Fiber optic connector module Sample holder for powder x-ray diffractometer © 2006. PatentGenius. All Rights Reserved.