Manual window shade and roller cut off knife

- Breneman, Inc.
Description

FIG. 1 is a front perspective view of a manual window shade and roller cut off knife embodying my design;

FIG. 2 is a side elevational view of the device shown in FIG. 1;

FIG. 3 is a front elevational view of the device;

FIG. 4 is an overhead plan view of the device;

FIG. 5 is a bottom plan view of the device; and

FIG. 6 is a rear elevational view of the device.

Referenced Cited
U.S. Patent Documents
331787 December 1885 Harlow
589101 August 1897 Scholes
717800 January 1903 Bell
2869413 January 1959 Anderson
Patent History
Patent number: D243743
Type: Grant
Filed: Feb 4, 1976
Date of Patent: Mar 22, 1977
Assignee: Breneman, Inc. (Cincinnati, OH)
Inventor: Paul J. Erpenbeck (Muskegon, MI)
Primary Examiner: Alan P. Douglas
Attorney: Peter P. Price
Application Number: 5/655,123
Classifications
Current U.S. Class: D 8/98
International Classification: D0803;