Ruler assembly

Details Ruler assembly Ruler assembly

1997-07-28

1999-02-23

Bennett, G. Bradley

Geometrical instruments

Straightedge type

Rules

33488, 33456, G01B 302, B43L 700, B43L 1300

Patent

active

058731717

ABSTRACT:
A ruler assembly includes a ruler to which a connecting member is pivotably connected and a magnifying member is pivotally connected to the connecting member so as to have a series of graduations defined on the ruler magnified through the magnifying member when the magnifying member is located in parallel to the ruler.

REFERENCES:
patent: 566195 (1896-08-01), Leavitt
patent: 569358 (1896-10-01), Sommerfeldt
patent: 581171 (1897-04-01), Nevin
patent: 588852 (1897-08-01), Beatty
patent: 892780 (1908-07-01), Vaughn
patent: 1179142 (1916-04-01), Shaughnessy
patent: 2382618 (1945-08-01), Douglass
patent: 2736097 (1956-02-01), Coleman, Jr.
patent: 3308543 (1967-03-01), Fenton
patent: 3503130 (1970-03-01), Ferguson
patent: 4316330 (1982-02-01), Hayes

Affiliated with

Also associated with

Rating

Ruler assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ruler assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ruler assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-297777