Geometrical instruments – Scriber – Curved line
Reexamination Certificate
2006-01-03
2006-01-03
Fulton, Christopher W. (Department: 2859)
Geometrical instruments
Scriber
Curved line
C033S027030, C033S027031
Reexamination Certificate
active
06981328
ABSTRACT:
A safe, stable compass for making circles and ellipses, having a stable rotating platform with a variably adjustable arm that allows the device to be self-supporting upon a surface and to be easily rotated in any one of a variety of directions around a single rotating point. The invention allows persons of limited manual dexterity to apply force in one location and then to rotate the entire device around this one point.
REFERENCES:
patent: 1263182 (1918-04-01), Wolthausen
patent: 1316642 (1919-09-01), Perkins et al.
patent: 1402961 (1922-01-01), Ratcliff
patent: 2498798 (1950-02-01), Edwards
patent: 2547320 (1951-04-01), Hedley
patent: 2607991 (1952-08-01), Fleetwood
patent: 2690013 (1954-09-01), MacGuire
patent: 3068577 (1962-12-01), Wilson
patent: 3111761 (1963-11-01), McAlister, Jr.
patent: 3315361 (1967-04-01), Mutter
patent: 3656237 (1972-04-01), Killgrove
patent: 3787992 (1974-01-01), Leonhardt
patent: 5203091 (1993-04-01), Al-Farsy
patent: 5473940 (1995-12-01), Parker
patent: 5542185 (1996-08-01), Boda
Dykas, Shaver & Nipper
Fulton Christopher W.
Maughan Derek H.
LandOfFree
Compass and ellipsograph for persons with manual limitations does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Compass and ellipsograph for persons with manual limitations, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compass and ellipsograph for persons with manual limitations will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3544716