G09B 3/08
Of chart form
Official title: of chart form (having one set of answers common to a plurality of questions G09B3/12)
G09B3/08 (Of chart form) appears on 35 US grants and 3 published applications in this corpus.
Search patents in G09B- Granted patents
- 35
- Published applications
- 3
- Assignees
- 11
- Inventors
- 46
- Latest grant
- 31 May 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Image processing apparatus and image processing method for appropriately processing and unnecessary text area or image area31 May 2016US 9,357,099 B2KYOCERA Document Solutions Inc.
- Method and apparatus for multiple choice testing system with immediate feedback for correctness of response3 Apr 2001US 6,210,171 B1
- Test booklet including tear out answer sheets having scratch-off answer selections20 Jul 1999US 5,924,740 AEnterprises for Continuing Education, Inc.
- Answer sheet covering device13 Oct 1992US 5,154,616 A
- Test answer and score sheet device7 Apr 1992US 5,102,341 ATouchstone Applied Science Associates, Inc.
Most cited
By later US patents
- Information gathering system99US 4,428,733 A1984
- Apparatus for determining the result of answers to a set of related questions55US 4,213,251 ANational Research Development Corporation · 1980
- Low visibility answer sheet and method of testing53US 3,995,381 A1976
- Method for recording uncoded scores or ratings by multiple evaluators on a single automatic machine scannable document35US 4,478,584 A1984
- Test answer and score sheet device28US 5,102,341 ATouchstone Applied Science Associates, Inc. · 1992