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Class Information
Number: D24/110.3
Name: Medical and laboratory equipment > Equipment for diagnosis, analysis, or treatment > Article for the introduction, removal or collection of fluids (e.g., infusion, extraction, irrigation, etc.) (3) > Respirator, vaporizer, or inhalation tube (4) > Mask > Including eye shield (5) > Helmet type

Patents under this class:

Patent Number Title Of Patent Date Issued
D688789 Head cushion Aug. 27, 2013
D676127 Breathing mask Feb. 12, 2013
D676128 Breathing mask Feb. 12, 2013
D676129 Breathing mask Feb. 12, 2013
D668758 Breathing mask Oct. 9, 2012
D668327 Breathing mask Oct. 2, 2012
D648020 Bubble diverter Nov. 1, 2011
D547442 Escape hood Jul. 24, 2007
D547439 Bottom portion of a frame for use with a mask assembly in the application of continuous positive airway pressure (CPAP) Jul. 24, 2007
D545426 Helmet respirator Jun. 26, 2007
D529606 Air duct Oct. 3, 2006
D480476 Filter cartridge for an escape hood Oct. 7, 2003
D456505 Grill pattern on air filter inlet Apr. 30, 2002
D448122 Smoke hood Sep. 18, 2001
D433542 Diving helmet Nov. 7, 2000
D433127 Headband for a mask Oct. 31, 2000
D408946 Fighter aircraft helmet Apr. 27, 1999
D402416 Diving helmet Dec. 8, 1998
D389910 Respirator fit test hood Jan. 27, 1998
D383204 Attachment harness for a breathing mask Sep. 2, 1997
D382341 Respirator face mask Aug. 12, 1997
D382084 Environmental safety hood Aug. 5, 1997
D359145 Helmet Jun. 6, 1995
D354348 Smoke protective hood Jan. 10, 1995
D348957 Surgeon's hood Jul. 19, 1994
D332843 Diving helmet Jan. 26, 1993
D331819 Diving helmet Dec. 15, 1992
5146636 Heat and smoke protective hood Sep. 15, 1992
5140980 Hood mask and air filter system and method of manufacture thereof Aug. 25, 1992
D322693 Safety hood Dec. 24, 1991
D320868 Gas mask Oct. 15, 1991
5040528 Autonomous breathing system for underwater diver's headgear Aug. 20, 1991
5027810 Self-contained emergency breathing apparatus Jul. 2, 1991
D317516 Rescue helmet Jun. 11, 1991
4926854 Protective helmet with a strapless breathing protection mask May. 22, 1990
D288732 Clean room hood Mar. 10, 1987
D286101 Spaceman's helmet Oct. 14, 1986
D285741 Combined helmet and mask Sep. 23, 1986
4605000 Greenhouse helmet Aug. 12, 1986
4571741 Ergonomic helmet means Feb. 25, 1986
D272199 Combined face shield and helmet or similar article Jan. 17, 1984
D271144 Breathing gas mask Oct. 25, 1983
D266710 Diver's helmet Nov. 2, 1982
D261073 Combined fireman's hood and face mask Oct. 6, 1981
D255283 Fireman's helmet Jun. 10, 1980
D249168 Softcap respirator hood Aug. 29, 1978
D246271 Diving helmet Nov. 8, 1977
D242881 Diver's helmet Jan. 4, 1977

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