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
Method and apparatus for analysis of histopathology images and its application to cancer diagnosis and grading
Photovoltaic system with integrated photovoltaic panel and battery
Cardiac function management integrating cardiac contractility modulation
Simulation tool for air traffic communications security
Electric power steering apparatus
Method and apparatus for supporting management actions for very high throughput in wireless communications
Semiconductor memory device
  Randomly Featured Patents
Method of forming a shallow trench isolation using oxide slope etching
Safety box
Coin bank
Method utilizing two wire electrode oscillator system for determining body impedance
Tire
Gas discharge laser having a buffer gas of neon
Apparatus for gasification of spent liquor
Location-based communication method and system
Systems and methods for shifting the position of a symbol to reduce transmission overhead
Electrical conduit connector locknut wrench