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. 10, 2022
Filed:
Apr. 06, 2021
Applicants:
David B Stewart, Cranbury, NJ (US);
Frances M Stewart, Cranbury, NJ (US);
Inventors:
David B Stewart, Cranbury, NJ (US);
Frances M Stewart, Cranbury, NJ (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10D 9/00 (2020.01); A61L 9/014 (2006.01); G10D 7/10 (2006.01); G10G 7/00 (2006.01);
U.S. Cl.
CPC ...
G10D 9/00 (2013.01); A61L 9/014 (2013.01); G10D 7/10 (2013.01); G10G 7/00 (2013.01); A61L 2209/14 (2013.01); A61L 2209/15 (2013.01);
Abstract
Apparatus attached to the flared open end of a wind instrument includes one or more layers of particle filtering materials for preventing the dispersion of pathogens from the wind instrument while enabling sound transmission with little muffling and distortion, and minimal resistance for the musician.