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. 04, 2021
Filed:
Jan. 21, 2020
Applicants:
Kun Yuan Tong, Suwanee, GA (US);
John Tong, Southlake, TX (US);
Inventors:
Kun Yuan Tong, Suwanee, GA (US);
John Tong, Southlake, TX (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B63C 11/20 (2006.01);
U.S. Cl.
CPC ...
B63C 11/205 (2013.01);
Abstract
The present invention provides a snorkel having smaller respiratory dead space or volume. The snorkel includes a mouthpiece and a tube with an inhalation lumen and an exhalation lumen. A distal one-way inhalation valve is placed inside the inhalation lumen; and a distal one-way exhalation valve is placed inside the exhalation lumen. The invention also provides a method for reducing the volume of a respiratory dead space in a snorkel.