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Class Information
Number: 33/820
Name: Geometrical instruments > Distance measuring > Opposed contacts > Micrometer > With additional indicator > Electrical
Description: Subject matter wherein the indicating means includes a transducer which is responsive to the contact member movement for producing in an electrical circuit an indication of the distance between the contact members.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7111413 |
Precision distance-measuring instrument |
Sep. 26, 2006 |
| 7013576 |
Measuring device using multi-start threaded spindle |
Mar. 21, 2006 |
| 6804896 |
Electronic measuring device |
Oct. 19, 2004 |
| 5433016 |
Linear displacement measuring apparatus |
Jul. 18, 1995 |
| 5287631 |
Precision extended-length micrometer with displacement meter probe adapter |
Feb. 22, 1994 |
| 5102471 |
Portable measuring instrument with solar batteries |
Apr. 7, 1992 |
| 4437241 |
Measuring instrument and method |
Mar. 20, 1984 |
| 4308666 |
Linear micrometer |
Jan. 5, 1982 |
| 4255861 |
Electrically digital display micrometer |
Mar. 17, 1981 |
| 4218823 |
Digital micrometer |
Aug. 26, 1980 |
| 4207679 |
Micrometer |
Jun. 17, 1980 |
| 4103427 |
Electronic digital micrometer |
Aug. 1, 1978 |
| 4070760 |
Micrometer |
Jan. 31, 1978 |
| 4062120 |
Digital electronic micrometer |
Dec. 13, 1977 |
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