G01R 13/202
Non-electric appliances
Official title: {Non-electric appliances, e.g. scales, masks (luminescent screens for CRT provided with permanent marks or references H01J29/34; optical or photographic arrangements combined with CRT vessels H01J29/89)}
G01R13/202 (Non-electric appliances) appears on 8 US grants and 0 published applications in this corpus.
Search patents in G01R- Granted patents
- 8
- Published applications
- 0
- Assignees
- 5
- Inventors
- 13
- Latest grant
- 31 Oct 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electronic instrument with multiple position spring detented handle31 Oct 2000US 6,140,812 ATektronix, Inc.
- Oscilloscope casing structure13 May 1997US 5,629,615 AHitachi Denshi Kabushiki Kaisha
- Method and apparatus for calibrating deflection in an oscilloscope30 Jun 1987US 4,677,340 ATektronix, Inc.
- Optical display apparatus4 Mar 1986US 4,573,759 APilkington P. E. Limited
- Lightshielding hood for an electrical instrument24 Oct 1978US 4,121,303 A
No published applications in this class yet.
Most cited
By later US patents
- Electronic instrument with multiple position spring detented handle20US 6,140,812 ATektronix, Inc. · 2000
- Lightshielding hood for an electrical instrument12US 4,121,303 A1978
- Optical display apparatus8US 4,573,759 APilkington P. E. Limited · 1986
- Method and apparatus for calibrating deflection in an oscilloscope6US 4,677,340 ATektronix, Inc. · 1987
- Oscilloscope casing structure5US 5,629,615 AHitachi Denshi Kabushiki Kaisha · 1997