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:
May. 05, 2020
Filed:
Feb. 26, 2019
Applicant:
Randy Wolf, Flat Rock, AL (US);
Inventor:
Randy Wolf, Flat Rock, AL (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F23Q 13/00 (2006.01); A45F 3/16 (2006.01);
U.S. Cl.
CPC ...
F23Q 13/005 (2013.01); A45F 3/16 (2013.01);
Abstract
A canteen having sides, a top portion, and a bottom portion, forming an interior therein. The top portion and the bottom portion are convex shaped and transparent to light. The top portion and the bottom portion have a radius of curvature of 1.5 and 3 inches. When the interior of the canteen is filled with water, the canteen forms a biconvex fire-starting water lens. The canteen, preferably, is made of PETG thermoplastic resin or PLA, is one piece, and the thickness of the sides, top portion, and bottom portion is 5 to 7 mils. The magnification produced by the bioconvex fire-starting water lens is 2 to 6 fold.