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Class Information
Number: D24/110.2
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)

Sub-classes under this class:

Class Number Class Name Patents
D24/110.3 Helmet type 48

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
D327141 Combined face mask and shield Jun. 16, 1992
D325106 Diving mask Mar. 31, 1992
D324589 Dive mask Mar. 10, 1992
D320867 Diving mask Oct. 15, 1991
5040530 Sprayable composition using acetone solvent Aug. 20, 1991
D319111 Combined face mask and shield Aug. 13, 1991
D318476 Diver's mask Jul. 23, 1991
D317614 Goggles Jun. 18, 1991
D315619 Swimmer's mask Mar. 19, 1991
H883 Protective mask Feb. 5, 1991
D314071 Dive mask Jan. 22, 1991
D311789 Protective mask Oct. 30, 1990
4958633 Valve for respirator Sep. 25, 1990
D310277 Diving mask Aug. 28, 1990
D309804 Diver's mask Aug. 7, 1990
D309508 Diving mask Jul. 24, 1990
4926853 Gas mask nose occluder May. 22, 1990
D304869 Protective facial mask Nov. 28, 1989
D304384 Combined respiratory mask and inflatable head straps Oct. 31, 1989
4870959 Protective breathing mask Oct. 3, 1989
4856120 Dive mask Aug. 15, 1989
D302747 Diving mask Aug. 8, 1989
D302606 Protective mask Aug. 1, 1989
D298178 Combined respirator and goggles Oct. 18, 1988
4756308 Protective breathing mask having a speaking diaphragm for close communication and an electroacoustic transducer system for indirect speech transmission from inside the mask Jul. 12, 1988
D290763 Diving mask Jul. 7, 1987
D290764 Aviator-style swim mask Jul. 7, 1987
4549542 Multiple-effect respirator Oct. 29, 1985
D277332 Dual-lens diving mask Jan. 29, 1985
D276951 Aviator-style swim mask Jan. 1, 1985
4411023 Smoke protective hood Oct. 25, 1983
D266031 Diver's mask Sep. 7, 1982
D261942 Hardhat respirator hood Nov. 17, 1981
D256962 Diving mask Sep. 23, 1980
D256177 Diving mask Aug. 5, 1980
D249986 Diving mask Oct. 24, 1978
D249368 Breathing face mask Sep. 12, 1978

1 2

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