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:
Dec. 16, 2008
Filed:
Nov. 15, 2007
Applicant:
Harry J. Last, Kailua, HI (US);
Inventor:
Harry J. Last, Kailua, HI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04H 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Invented techniques and associated mechanisms are described for passively assuring that the spiraling layers of wound-up layers of a buoyant pool cover are, and will remain tightly wound around a rotatable cover drum completely submerged in a pool bottom tough.