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Class Information
Number: 33/403
Name: Geometrical instruments > Straightedge type
Description: Subject matter comprising means having a straight edge, slot, or the like for testing, measuring, fixing, or drawing straight lines.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6049991 |
Picture hanging position marking tool |
Apr. 18, 2000 |
| 5964041 |
Guide tool |
Oct. 12, 1999 |
| 5890524 |
Router table sled |
Apr. 6, 1999 |
| 5771597 |
Device for connecting the arms of an angle |
Jun. 30, 1998 |
| 5533556 |
Router guide apparatus |
Jul. 9, 1996 |
| 5533270 |
Method and apparatus for measuring stairs |
Jul. 9, 1996 |
| 5428900 |
Sheet scribing jig |
Jul. 4, 1995 |
| 5343625 |
Portable magnetic drafting board |
Sep. 6, 1994 |
| 5271159 |
Circular saw guide |
Dec. 21, 1993 |
| 5187873 |
Students multi-function protractor |
Feb. 23, 1993 |
| 5172484 |
Angle measuring device for peripheral grinding wheels with tool rests |
Dec. 22, 1992 |
| 5148730 |
Sawmark guide |
Sep. 22, 1992 |
| 5138759 |
Cutting guide and method of making |
Aug. 18, 1992 |
| 5121553 |
Table saw gauge |
Jun. 16, 1992 |
| 5113590 |
Protractor |
May. 19, 1992 |
| 5086565 |
Technical drawing apparatus |
Feb. 11, 1992 |
| 5084982 |
Combined vernier gauge and protractor |
Feb. 4, 1992 |
| 4989335 |
Wallpaper knife guide |
Feb. 5, 1991 |
| 4944095 |
Guiding device for a computer mouse |
Jul. 31, 1990 |
| 4934061 |
Draughting tables, drawing boards, drawing instruments and analogous apparatus |
Jun. 19, 1990 |
| 4924594 |
Double cut edger |
May. 15, 1990 |
| 4845858 |
Stud locating tape |
Jul. 11, 1989 |
| 4805315 |
Free standing squaring tool with open corners |
Feb. 21, 1989 |
| 4791733 |
Student's multi-function protractor |
Dec. 20, 1988 |
| 4779354 |
Variable angle protractor |
Oct. 25, 1988 |
| 4734992 |
Drawing instrument |
Apr. 5, 1988 |
| 4669197 |
Drawing aid |
Jun. 2, 1987 |
| 4654978 |
Marking guide for use with metal studs |
Apr. 7, 1987 |
| 4633592 |
Precision rule |
Jan. 6, 1987 |
| 4596075 |
Vernier gauge |
Jun. 24, 1986 |
| 4573276 |
Tool guide |
Mar. 4, 1986 |
| 4570345 |
Holding and marking fixture for flat sheets |
Feb. 18, 1986 |
| 4535542 |
Vernier gauge |
Aug. 20, 1985 |
| 4463644 |
Straight edge guide |
Aug. 7, 1984 |
| 4462168 |
Variable angle straight edge |
Jul. 31, 1984 |
| 4454654 |
Navigational angle-measurement device |
Jun. 19, 1984 |
| 4443953 |
Handle for a drafting instrument |
Apr. 24, 1984 |
| 4438646 |
Crankshaft journal surface gauge and kit thereof |
Mar. 27, 1984 |
| 4422245 |
Tripod open throat T-square and drafting board |
Dec. 27, 1983 |
| 4413416 |
Measuring device |
Nov. 8, 1983 |
| 4409873 |
Modular straight edge |
Oct. 18, 1983 |
| 4388764 |
Template guide |
Jun. 21, 1983 |
| 4369583 |
Plotting device |
Jan. 25, 1983 |
| 4357755 |
Column pad layout device, anchor bolt layout device, and layout methods |
Nov. 9, 1982 |
| 4233741 |
Map reading device |
Nov. 18, 1980 |
| 4190960 |
Plotter |
Mar. 4, 1980 |
| 4159571 |
Geometrical instrument |
Jul. 3, 1979 |
| 4153995 |
Navigation plotter |
May. 15, 1979 |
| 4106201 |
Tape measure |
Aug. 15, 1978 |
| 4088290 |
Artist's maulstick |
May. 9, 1978 |
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