Accessory for gas masks and gas masks equipped therewith

Details Accessory for gas masks and gas masks equipped therewith Accessory for gas masks and gas masks equipped therewith

1987-09-04

1989-06-27

Michalsky, Gerald A.

Surgery

Respiratory method or device

Combined with or convertible to a nonrespiratory device, or...

12820622, B62B 1800

Patent

active

048419630

ABSTRACT:
A gas mask and accessory therefor having the capability to connect the inside with the outside environment in both the intake of food and the removal of perspiration. The accessory has a slide valve that is biased closed, an elastic drinking straw gripping sealer, and, an ability to position the accessory behind the gas mask filter.

REFERENCES:
patent: 1366437 (1921-01-01), Wagenhorst
patent: 2023267 (1935-12-01), De Saint Rapt et al.
patent: 2133345 (1938-10-01), Davis
patent: 3042033 (1962-07-01), Early et al.
patent: 3067425 (1962-12-01), Colley
patent: 3348537 (1967-10-01), Miller et al.
patent: 3359568 (1967-12-01), Kothe
patent: 4524951 (1985-06-01), Green et al.

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