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Class Information
Number: 33/493
Name: Geometrical instruments > Straightedge type > Rules > Particular material
Description: Subject matter wherein the straightedge is constructed of some specified type of material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7401413 |
Disposable wound measuring device |
Jul. 22, 2008 |
| 7155838 |
Apparatus for gauging a dimension of an object |
Jan. 2, 2007 |
| 7111408 |
Folding rule |
Sep. 26, 2006 |
| 7103983 |
Multiple component and interactive growth chart and method |
Sep. 12, 2006 |
| 7032319 |
Ruler with anti-slipping member |
Apr. 25, 2006 |
| 6671092 |
Reflective measuring scale graduation and method for its manufacture |
Dec. 30, 2003 |
| 6349479 |
Ruler for guiding a blade and for providing shielding protection from the blade for the hand holding the ruler |
Feb. 26, 2002 |
| 6219976 |
Multi-purpose, positioning-fastening strap |
Apr. 24, 2001 |
| 6163970 |
Linear encoder with a modular scale and a method of producing same |
Dec. 26, 2000 |
| 5996290 |
Multi-purpose, positioning-fastening strap |
Dec. 7, 1999 |
| 5943784 |
Measuring nail |
Aug. 31, 1999 |
| 5842402 |
Safety device with cutting edge used when cutting fabric and like products |
Dec. 1, 1998 |
| 5653415 |
Adjustable-height support for shuttering in the building trade |
Aug. 5, 1997 |
| 5531028 |
Printed sheet measuring device |
Jul. 2, 1996 |
| 5461795 |
Measuring instrument and method of making same |
Oct. 31, 1995 |
| 5095632 |
Composite structure unidirectionally stable with respect to thermal and moisture expansion |
Mar. 17, 1992 |
| 5088209 |
Metrological scale |
Feb. 18, 1992 |
| 4926566 |
Method of producing a metrological scale and scale produced by such method |
May. 22, 1990 |
| 4679325 |
Chalk line marking device |
Jul. 14, 1987 |
| 4665623 |
Illuminated drafting aid |
May. 19, 1987 |
| 4633592 |
Precision rule |
Jan. 6, 1987 |
| 4339881 |
Parallel-ruling straightedge |
Jul. 20, 1982 |
| 4312133 |
T-Square |
Jan. 26, 1982 |
| 4214368 |
Dipstick for liquid nitrogen |
Jul. 29, 1980 |
| 4155165 |
Picture mat marking instrument |
May. 22, 1979 |
| 4024831 |
Transparent ruler having longitudinally positioned colored area for isolating rows of symbols for rapid scanning |
May. 24, 1977 |
| 4005527 |
Depth gauge |
Feb. 1, 1977 |
| 3934352 |
Linear measuring instrument |
Jan. 27, 1976 |
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