Incident light filter for cameras
Description
FIG. 1 is a left front perspective view of an incident light filter for cameras showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a cross-sectional view as taken from line 5--5 of FIG. 2;
FIG. 6 is a front elevational view of another embodiment of my new design of FIGS. 1-5;
FIG. 7 is a front elevational view thereof;
FIG. 8 is a right side elevational view thereof;
FIG. 9 is a rear elevational view thereof;
FIG. 10 is a cross-sectional view as taken from line 10--10 of FIG. 7.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
2503768 | April 1950 | Riszdorfer |
3747488 | July 1973 | Bennett |
4352547 | October 5, 1982 | Sasaya |
94914 | February 1960 | NLX |
Patent History
Patent number: D270069
Type: Grant
Filed: Mar 16, 1981
Date of Patent: Aug 9, 1983
Inventor: George A. Wallace (Morgan Hill, CA)
Primary Examiner: Nelson C. Holtje
Attorney: John J. Leavitt
Application Number: 6/243,725
Type: Grant
Filed: Mar 16, 1981
Date of Patent: Aug 9, 1983
Inventor: George A. Wallace (Morgan Hill, CA)
Primary Examiner: Nelson C. Holtje
Attorney: John J. Leavitt
Application Number: 6/243,725
Classifications