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:
Jul. 06, 1982
Filed:
Jun. 21, 1979
Applicant:
Inventor:
James D Davidson, Pontiac, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ; E04F / ;
U.S. Cl.
CPC ...
52220 ; 16-2 ; 52221 ; 138156 ; 248 56 ; 285 47 ; 285192 ;
Abstract
A bushing formed of insulation that can be installed in holes drilled in wood framing components, used to construct a building, such as a dwelling, these holes are drilled so plumbing pipes & electrical wiring can be installed in said framing components. Purpose of this invention is to close off & insulate these holes before the articles are installed, or after they are installed, either method would greatly reduce infiltration & heat transfer through these necessary drilled holes, reducing the energy usage in said building, helping our Countries energy conservation program.