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Class Information
Number: 33/558.02
Name: Geometrical instruments > Gauge > Pivoted probes (e.g., divider, caliper, etc.) > Proportional
Description: Subject matter having two pairs of contact members so interconnected that a movement of one pair produces a proportional movement of the other.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7373734 |
Linear proportioner |
May. 20, 2008 |
| 7310884 |
Adjustable golden section indicator and method for loci transfer |
Dec. 25, 2007 |
| 7043849 |
Multifunction caliper instrument for the arts |
May. 16, 2006 |
| 6854196 |
Adjustable baluster spacer tool |
Feb. 15, 2005 |
| 5174040 |
Multi-leg caliper with heart scale |
Dec. 29, 1992 |
| 5154004 |
Proportional divider |
Oct. 13, 1992 |
| 4936022 |
Multi-leg caliper with heart scale |
Jun. 26, 1990 |
| 4866848 |
Instrument for subdividing angles into halves, thirds or fifths |
Sep. 19, 1989 |
| 4326339 |
Device for locating center positions |
Apr. 27, 1982 |
| 4270273 |
Measuring instrument |
Jun. 2, 1981 |
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