Class Information
Number: 33/448
Name: Geometrical instruments > Straightedge type > With means for moving straightedge over a surface
Description: Subject matter comprising means incorporated into the straightedge device for facilitating the movement over the work supported on the base.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5433012 |
Rolling rule |
Jul. 18, 1995 |
| 5371952 |
Drafting machine |
Dec. 13, 1994 |
| 5337641 |
Woodworking machinery jig and fixture system |
Aug. 16, 1994 |
| 5131157 |
Drafting device |
Jul. 21, 1992 |
| 4914824 |
Parallel rule |
Apr. 10, 1990 |
| 4467528 |
Parallel ruler |
Aug. 28, 1984 |
| 4426789 |
Navigation position plotter |
Jan. 24, 1984 |
| 4419823 |
Programmable braking device |
Dec. 13, 1983 |
| 4417399 |
Device for the calculation of the characteristics of rectilinear geometric shapes |
Nov. 29, 1983 |
| 4217854 |
Paint guard device |
Aug. 19, 1980 |
| 4194293 |
Lettering triangle |
Mar. 25, 1980 |
| 4103425 |
Marine navigational protractor |
Aug. 1, 1978 |
| 4087917 |
Positively positionable ruler |
May. 9, 1978 |
|
