Nocturnal airway patency appliance for preventing occlusion of the oral airway of sleep apnea patients

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Description

FIG. 1 is a top plan view of a nocturnal airway patency appliance for preventing occlusion of the oral airway of sleep apnea patients, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof, the opposite side being identical thereto; and

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D260811 September 15, 1981 Kitchenman
3434470 March 1969 Strickland
4431411 February 14, 1984 Witzig et al.
Other references
  • ORMCO Catalog-Orthodentists' Research and Manufacturing Corp, .COPYRGT.1961, Disposable Impression Trays at top of page-p. 26.
Patent History
Patent number: D302036
Type: Grant
Filed: Jun 23, 1986
Date of Patent: Jul 4, 1989
Inventor: Peter T. George (Honolulu, HI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Stella M. Reid
Application Number: 6/877,661
Classifications
Current U.S. Class: D24/34; D24/10