Resources Contact Us Home
Breathing mask
D250047 Breathing mask
Patent Drawings:Drawing: D250047-2    Drawing: D250047-3    
« 1 »

(2 images)

Inventor: Lewis, et al.
Date Issued: October 24, 1978
Application: 05/733,624
Filed: October 18, 1976
Inventors: Lewis; George Tom (Fallbrook, CA)
Price; John Hamilton (La Jolla, CA)
Assignee: Chemetron Corporation (Chicago, IL)
Primary Examiner: Ansher; Bernard
Assistant Examiner:
Attorney Or Agent: Esser; Nicholas M.
U.S. Class: 128/205.25; D24/110.1
Field Of Search: D29/8; D29/9; 128/146R; 128/205; 128/146.3; 128/146.7; 128/202
International Class:
U.S Patent Documents: D197450; D197451; D209884; D225582; 2540567; 2843121; 3802431
Foreign Patent Documents:
Other References:

Claim: The ornamental design for a breathing apparatus, substantially as shown and described.
Description: FIG. 1 is a perspective view of a breathing mask showing our new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a bottom perspective view thereof, and

FIG. 5 is a right side elevation of a modified embodiment of the mask illustrated in FIG. 1.

The broken lines representing the human form is shown for illustrative purposes only.

* * * * *
  Recently Added Patents
Retinal prosthesis techniques
Humanized TTC and methods of use thereof
Embedded JFETs for high voltage applications
Adaptive signal power measurement methods and apparatus
Method and system for integrating remote devices into a domestic VLAN
Nanoprobes for detection or modification of molecules
Antisense antiviral compounds and methods for treating a filovirus infection
  Randomly Featured Patents
Area-based positioning method in mobile communications system
Gaming system and method for providing an offer and acceptance game with progressive awards associated with a quantity of progressive tokens
Cleaning and coating fishing line
Ceramic gels with salt for microwave heating susceptor
Cosmetic container
Electromagnetic acoustic transducers for use in ultrasound inspection systems
Power supply in which regulation is achieved by processing a small portion of applied power through a switching regulator
Synchronous clock generator including duty cycle correction
Multicomponent assemblies having enhanced binding properties for diagnosis and therapy
System and method for providing distributed access control to secured documents