Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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:









Abstract:
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
Bicyclic azaheterocyclic carboxamides
Low-complexity motion vector prediction systems and methods
Dimmer system and damper circuit thereof
Fusion of road geometry model information gathered from disparate sources
Display for gloves
Two dimensional magnetic sensor immune to skew angle misalignment
Mass spectrometry device and method using ion-molecule reaction ionization
  Randomly Featured Patents
Snowmobile windshield assembly
Tape tension regulator
Creeper brake device
Nitrogen-containing compounds having kinase inhibitory activity and drugs containing the same
Stripping device for ironing presses
Can end
Annotation system for creating and retrieving media and methods relating to same
Monitor and control for a multi-pump system
Socket connector with latch locking member
Apparatus and method for enhanced multiple coil nuclear magnetic resonance (NMR) imaging