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:
Mar. 11, 2008
Filed:
Apr. 08, 2004
Applicants:
James D. O'rourke, Pewaukee, WI (US);
Cory L. Eckdahl, Waukesha, WI (US);
Inventors:
James D. O'Rourke, Pewaukee, WI (US);
Cory L. Eckdahl, Waukesha, WI (US);
Assignee:
A & A Mfg. Co., Inc., New Berlin, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A way cover section is shaped with a continuous lateral arc by pre-stressing so that its top panel has a radius in its top panel from one side panel of the cover section to the other. A wiper at the leading edge of the cover sections that may also serve as a bumper. The wiper has an elastomeric wiper section at one end and an elastomeric bumper section at the other end, with an intermediate section of a harder and more lubricious material that fits on a rolled over edge of the cover section to which the wiper is attached.