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:
Sep. 27, 2011
Filed:
Jan. 31, 2008
Applicants:
Sebastian D. Hasik, Antioch, IL (US);
Richard L. Norwood, Racine, WI (US);
John T. Filiczkowski, Spring Grove, IL (US);
Joel E. Adair, Racine, WI (US);
Inventors:
Sebastian D. Hasik, Antioch, IL (US);
Richard L. Norwood, Racine, WI (US);
John T. Filiczkowski, Spring Grove, IL (US);
Joel E. Adair, Racine, WI (US);
Assignee:
S.C. Johnson & Son, Inc., Racine, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61H 33/06 (2006.01); F24F 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein are heaters for dispensing volatile air treatment chemicals. Semi-circular electrical contacts are provided in a ring-type heater, and alignment and anchoring features are provided to facilitate use of a spring to accommodate thermal expansion.