US 11,806,214 B2
Medical headgear
Fred M. Kimock, Macungie, PA (US); Zachary Rambo, Melrose, MA (US); and Edward G. Thear, Kure Beach, NC (US)
Assigned to Neatcap, LLC, Bethlehem, PA (US)
Filed by Neatcap, LLC, Bethlehem, PA (US)
Filed on May 29, 2020, as Appl. No. 16/887,847.
Application 16/887,847 is a continuation in part of application No. 15/881,111, filed on Jan. 26, 2018, granted, now 11,185,447.
Application 15/881,111 is a continuation in part of application No. 14/626,325, filed on Feb. 19, 2015, granted, now 10,413,696.
Prior Publication US 2020/0289325 A1, Sep. 17, 2020
Int. Cl. A61F 11/14 (2006.01); A61M 16/06 (2006.01); A61F 9/04 (2006.01)
CPC A61F 11/14 (2013.01) [A61M 16/0683 (2013.01); A61F 9/045 (2013.01); A61M 16/0666 (2013.01); A61M 2205/0216 (2013.01); A61M 2240/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An earcup for a medical headgear, comprising:
a body; and
a gasket attached to the body and formed of an open-cell foam, the earcup with the body and the gasket is a frequency-dependent auditory filter providing sound attenuation generally increasing as a function of frequency, the earcup with the body and the gasket provides sound attenuation of less than or equal to 16 dB throughout a frequency range less than 315 Hz.