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Class Information
Number: 33/339
Name: Geometrical instruments > Indicator of direction of force traversing natural media > With cord-type straight-line guide or holder therefor
Description: Device having combined therewith a cord, or a cord holder, adapted, when stretched tight, to form a straight line guide member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6421926 |
Stringline guide system |
Jul. 23, 2002 |
| 6345448 |
Combination protractor/chalk line device |
Feb. 12, 2002 |
| 6212782 |
Building line layout device |
Apr. 10, 2001 |
| 6141880 |
Tool for layout of rapid development antenna array |
Nov. 7, 2000 |
| 5848476 |
Manual clamping device for measuring railway track alignment and profile |
Dec. 15, 1998 |
| 5699622 |
Line marking device |
Dec. 23, 1997 |
| 5621976 |
Grade stake line cap device |
Apr. 22, 1997 |
| 5473819 |
Plumb bob string holder |
Dec. 12, 1995 |
| 5444919 |
Battery powered chalk line systems |
Aug. 29, 1995 |
| 5392522 |
Plumb bob and cooperating reel |
Feb. 28, 1995 |
| 5357682 |
Cornerbead alignment apparatus |
Oct. 25, 1994 |
| 5283956 |
Device for indicating the aim of the optical axis of a reflector on a motor vehicle relative to a reference direction |
Feb. 8, 1994 |
| 5136785 |
Apparatus for constructing masonry corners |
Aug. 11, 1992 |
| 4958439 |
Method and device for aligning vehicle frame |
Sep. 25, 1990 |
| 4669195 |
Guide line angle indicator |
Jun. 2, 1987 |
| 4551922 |
Line marking device |
Nov. 12, 1985 |
| 4462167 |
Angle/level meter |
Jul. 31, 1984 |
| 4381607 |
Carpenter's tool |
May. 3, 1983 |
| 4274203 |
Level device |
Jun. 23, 1981 |
| 4266342 |
Supporting assembly for an alignment line |
May. 12, 1981 |
| 4231156 |
Guide line holder |
Nov. 4, 1980 |
| 4214374 |
Method of and apparatus for measuring the deviation of the center axis of bore holes and trenches relative to the design vertical center axis thereof |
Jul. 29, 1980 |
| 4189844 |
Chalk line protracting tool |
Feb. 26, 1980 |
| 4057903 |
Guide line holder |
Nov. 15, 1977 |
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