Resources Contact Us Home
D243851 Ventilator
Patent Drawings:Drawing: D243851-2    
« 1 »

(1 images)

Inventor: Felter
Date Issued: March 29, 1977
Application: 05/585,964
Filed: June 11, 1975
Inventors: Felter; John V. (Houston, TX)
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Jones; Larry
Attorney Or Agent: Fox, Jr.; Carl B.
U.S. Class: 52/200; D23/373
Field Of Search: D23/151; D23/153; D23/154; 52/200; 52/198; 52/199; 52/212; 98/37; 98/2.14; 98/13
International Class:
U.S Patent Documents: D192894; D196462; D203139; 1053633
Foreign Patent Documents:
Other References: Sears, Spring through Summer Catalog, 1974, Eastern Edition 248K, p. 833, Roof Type Ventilator, Model 42K6413C..
Sweet's Architectural Catalog File, vol. 12, 1973, Section 15.9/But, p. 2..

Claim: The ornamental design for a ventilator, as shown.
Description: FIG. 1 is an upper perspective view showing my design.

FIG. 2 is a top view showing my design.

FIG. 3 is a side elevation showing my design.

* * * * *
  Recently Added Patents
Touchscreen with Z-velocity enhancement
Generating and using checkpoints in a virtual computer system
Categorization of design rule errors
Consistent retention and disposition of managed content and associated metadata
Method of sending CTI messages in a communication system
Method for exchanging data concerning an electronic transaction
Churn prediction and management system
  Randomly Featured Patents
Method to make low resistance contact
Production of N-vinylformamide
Holder for electroless plating and method of electroless plating
Vacuum producing system
Brick alignment apparatus
Monorail mount for enhanced night vision goggles
Glass for a cone of a display tube, display tube envelope comprising a cone of such a glass and method of manufacturing a cone from such a glass
System and method for eliminating design rule violations during construction of a mask layout block
FM Audio demodulator with dropout noise elimination circuit
Extended common mode input range for a delta-sigma converter