Surgical face mask with darkened glare-reducing strip and visor (US5704349)

Application Number	Filed	Pub. Date	Title
US1992000886386	1992-05-19	1995-01-24	Liquid shield visor for a surgical mask
US1991000661435	1991-02-25	1992-09-29	Liquid shield visor for a surgical mask with a bottom notch to reduce glare
US1988000268558	1988-11-08	1991-06-04	Face mask with liquid and glare resistant visor
US1987000104807	1987-10-02	1990-05-01	Body fluids barrier mask


	Parent Case:			CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation application of U.S. application Ser. No. 07/886,386, filed May 19, 1992 by Vance M. Hubbard and Welton K. Brunson and entitled Liquid Shield Visor for a Surgical Mask, now U.S. Pat. No. 5,383,450, issued Jan. 24, 1995; which is a continuation of U.S. application Ser. No. 07/661,435 filed Feb. 25, 1991 by Vance M. Hubbard and Welton K. Brunson entitled Liquid Shield Visor for a Surgical Mask with a Bottom Notch to Reduce Glare, now U.S. Pat. No. 5,150,703 issued Sep. 29, 1992; which is continuation of U.S. application Ser. No. 07/268,558 filed Nov. 8, 1988 Vance M. Hubbard and Welton K. Brunson entitled Face Mask with a Liquid and Glare Resistant Visor, now U.S. Pat. No. 5,020,533 issued Jun. 4, 1991; which is a continuation-in-part of U.S. application Ser. No. 07/104,807 filed Oct. 2, 1987 by Vance M. Hubbard, Welton K. Brunson and Darrell S. Caldwell entitled Body Fluids Barrier Mask, now U.S. Pat. No. 4,920,960 issued May 1, 1990, all owned by the present assignee of record.
	Family:			Show 9 known family members
	First Claim: Show all 14 claims			We claim: 1. A liquid resistant shield to protect the eyes, nose and mouth of a wearer, comprising: a fluid impervious transparent visor to protect the eyes of a wearer from liquid directed from the exterior of said visor; a gas pervious but substantially liquid impervious mask formed from a plurality of material layers disposed adjacent to each other; said material layers comprising a barrier which is capable of differentiating between gases and liquids, whereby gases may pass freely in either direction through said barrier while restricting the passage of liquids from the exterior of said mask; a pair of connections formed between said mask and said visor by bond sites at opposite corners of said visor and said mask whereby said visor may be positioned over the eyes of a wearer; and means for improving the fit of said visor, said means comprising a lower edge of said visor having gradually sloping arcuate edges at opposite extreme lower corners of said visor where said gradually sloping arcuate edges extend below the central portion of the lower edge of said visor and are the only bond sites between said visor and said mask.
	Background / Summary:			Show background / summary
	Drawing Descriptions:			Show drawing descriptions
	Description:			Show description
	Forward References:			Show 12 U.S. patent(s) that reference this one

U.S. References:

Go to Result Set: All U.S. references | Forward references (12) | Backward references (161) | Citation Link

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* some details unavailable

Foreign References:

Publication	Date	IPC Code	Assignee	Title
CA1085259	1978-08	A61M 16/00	GRIMES, JERRY L.	GAS DELIVERY FACE SHIELD
EP0032422	1981-07	A41D 13/11	SURGIKOS INC	Operating room face mask
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FR0867791	1941-11	D03D 15/08		Perfectionnements aux proc�d�s de tissage et produits nouveaux en r�sultant
FR1511186	1966-12
FR2471792	1979-12	A41D 13/05	AIRFIL	PROCEDE DE FABRICATION DE MASQUES ANTI-POUSSIERES ET/OU ANTI-VAPEURS NOTAMMENT, A PARTIR D'AU MOINS UNE FEUILLE EN MATIERE FILTRANTE ET LES MASQUES AINSI OBTENUS
DE0655814	1938-01	A61B 19/00	MALWIN FEILER DR	Vorrichtung zum Schuetzen von AErzten, Patienten, Pflegepersonal u. dgl. gegen UEbertragung infektioeser Erkrankungen
DE0688227	1940-02
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WO8910106	1989-04	A61F 9/04	RUSSELL JOHN PATRICK	FACE PROTECTOR