Y10S 353/06
Head accessories
Y10S353/06 (Head accessories) appears on 13 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 13
- Published applications
- 0
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 3 Sep 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Overhead projection having a friction secured adjustable cantilevered head3 Sep 2002US 6,443,577 B13M Innovative Properties Company
- Overhead projector of the under mirror type9 Jan 2001US 6,170,954 B2Elmo Co., Ltd.
- Projecting head mechanism of a projecting machine21 Apr 1998US 5,741,056 APrimax Electronics Ltd.
- Overhead projector with vibration control head7 Nov 1995US 5,465,127 AMinnesota Mining and Manufacturing Company
- Latching mechanism for overhead projector post25 Jan 1994US 5,281,986 AMinnesota Mining and Manufacturing Company
No published applications in this class yet.
Most cited
By later US patents
- Overhead projector13US 4,795,252 ABuhl Industries, Inc. · 1989
- Automatic focus for overhead projector9US 4,634,246 AMinnesota Mining and Manufacturing Company · 1987
- Over-head projector with partial projection device6US 4,353,627 AFuji Photo Film Co., Ltd. · 1982
- Overhead projector focus arm adjustment mechanism5US 5,245,370 AMinnesota Mining and Manufacturing Company · 1993
- Lamp and lens retrofit assembly for overhead projector4US 4,023,893 AGTE Sylvania Incorporated · 1977