Adjustable telescopic extension device adapter for contractor level

Description

FIG. 1 is a front elevational plan view of an adjustable telescopic extension device adapter for contractor level showing my new design;

FIG. 2 is a right side elevational plan view thereof;

FIG. 3 is a left side elevational plan view thereof;

FIG. 4 is a bottom side elevational plan view of FIG. 2 thereof;

FIG. 5 is a perspective view of the adjustable telescopic extension device adapter for contractor level in a condition of use;

FIG. 6 is a modified front elevational plan view embodiment of an adjustable telescopic extension device adapter for contractor level showing my new design;

FIG. 7 is a left side elevational plan view thereof;

FIG. 8 is a right side elevational plan view thereof;

FIG. 9 is a bottom elevational plan view thereof;

FIG. 10 is perspective view of FIG. 6 of an adjustable telescopic extension device for contractor level showing my new design in a condition of use;

FIG. 11 is another modified front elevational plan view of an adjustable telescopic extension device adapter for contractor level showing my new design;

FIG. 12 is a right side elevational plan view thereof;

FIG. 13 is a left side elevational plan view thereof;

FIG. 14 is a bottom elevational plan view thereof;

FIG. 15 is a perspective view of FIG. 11 of an adjustable telescopic extension device adapter for contractor level;

FIG. 16 is still another front elevational plan view of an adjustable telescopic extension device adapter for contractor level showing my new design;

FIG. 17 is a left side elevational plan view thereof;

FIG. 18 is a right side elevational plan view thereof;

FIG. 19 is a bottom elevational plan view thereof; and,

FIG. 20 is a perspective view of FIG. 16 of an adjustable telescopic extension device for contractor level showing my new design in a condition of use.

The broken line in FIGS. 1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18 and 20 is for illustrative purposes only and forms no part of the claimed design.

The opposite side of FIGS. 1, 4, 5, 6, 9, 10, 11, 15, 16 and 20 are mirror images of the respective FIGURE drawings thereof.

Referenced Cited
U.S. Patent Documents
478309 July 1892 Burchinal
1264484 April 1918 Bridgeman
1620469 March 1927 Kirkhoff
Patent History
Patent number: D399772
Type: Grant
Filed: Jan 27, 1998
Date of Patent: Oct 20, 1998
Assignee: Jeffrey S. Sanden (Lincolnshire, IL)
Inventor: Jeffrey S. Sanden (Lincolnshire, IL)
Primary Examiner: Antoine Duval Davis
Application Number: 0/82,618
Classifications
Current U.S. Class: Element Or Attachment (4) (D10/74); Spirit Level (D10/69)
International Classification: 1004;