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
Virtual billboards
Data storage device and block selection method for a flash memory
Multi-protocol data transfers
Communication system including a switching section for switching a network route, controlling method and storage medium
Garden tool handle
Printed circuit board unit having routing unit mounted thereon and computer device having the same
Adaptive switch mode LED system
  Randomly Featured Patents
Executing computations expressed as graphs
Pool cover system
Method for allocating high voltage electrical energy to vehicle systems during propulsion
Method of dispensing from a cartridge for thermoplastic articles
Foaming agents for thermoplastic resins and method of preparing same
High-pressure sodium vapor discharge lamp with bimetallic element
Apparatus and method for pick and place handling
Optical fibre installation
Method for acetylating shredded cellulosic
Power semiconductor device and method of manufacturing the same