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Class Information
Number: 33/827
Name: Geometrical instruments > Distance measuring > Opposed contacts > Micrometer > Inside measurement only
Description: Subject matter wherein the contacts are arranged for measuring the internal space between selected portions of an object.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6792690 |
Inside micrometer |
Sep. 21, 2004 |
| 5377417 |
Thread pitch cylinder gage |
Jan. 3, 1995 |
| 5063687 |
Adjustable measuring parallels |
Nov. 12, 1991 |
| 4977681 |
Bore Gauge |
Dec. 18, 1990 |
| 4965936 |
Thread pitch cylinder gage |
Oct. 30, 1990 |
| 4949469 |
Temperature-compensated quantitative dimensional measurement device with rapid temperature sensing and compensation |
Aug. 21, 1990 |
| 4885845 |
Inner diameter measuring machine |
Dec. 12, 1989 |
| 4872269 |
Automatic cylinder profiling gage |
Oct. 10, 1989 |
| 4866855 |
Gaging head for use on dial bore gages |
Sep. 19, 1989 |
| 4547970 |
Thread anvils for inside micrometer |
Oct. 22, 1985 |
| 4461084 |
Internal measuring gauge |
Jul. 24, 1984 |
| 4253241 |
Bore gauge |
Mar. 3, 1981 |
| 4223444 |
Acoustic micrometer |
Sep. 23, 1980 |
| 4206548 |
Measuring tool for taper bores |
Jun. 10, 1980 |
| 4136456 |
Hole gauge |
Jan. 30, 1979 |
| 4118867 |
Micrometer head for internal measurement instrument |
Oct. 10, 1978 |
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