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Class Information
Number: 33/829
Name: Geometrical instruments > Distance measuring > Opposed contacts > Micrometer > With attachment > Particularly adapted for measuring threaded element
Description: Subject matter wherein the object is a screw or screw gear.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5383286 |
Hand held device for measuring screw threads by the three-wire method |
Jan. 24, 1995 |
| 5377417 |
Thread pitch cylinder gage |
Jan. 3, 1995 |
| 5317809 |
Apparatus for measuring screw threads by 3-wire method |
Jun. 7, 1994 |
| 5276971 |
Thread gauge for tapered threads |
Jan. 11, 1994 |
| 5182862 |
Indicating thread gage |
Feb. 2, 1993 |
| 5175935 |
Screw-thread gauge-wire holder |
Jan. 5, 1993 |
| 5048197 |
Apparatus and method for measuring pitch diameter |
Sep. 17, 1991 |
| 4989331 |
Gage |
Feb. 5, 1991 |
| 4965937 |
Tool joint gauge |
Oct. 30, 1990 |
| 4965936 |
Thread pitch cylinder gage |
Oct. 30, 1990 |
| 4955140 |
Device for measuring thread minor diameter |
Sep. 11, 1990 |
| 4947555 |
Hand held pitch diameter gauge |
Aug. 14, 1990 |
| 4547970 |
Thread anvils for inside micrometer |
Oct. 22, 1985 |
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