B43L 7/08
Straightedges: with arrangements for attaching additional drawing equipment
Official title: with arrangements for attaching additional drawing equipment, e.g. for hatching, dotting
B43L7/08 (Straightedges: with arrangements for attaching additional drawing equipment) appears on 12 US grants and 3 published applications in this corpus.
Search patents in B43L- Granted patents
- 12
- Published applications
- 3
- Assignees
- 4
- Inventors
- 14
- Latest grant
- 15 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Straightedge with holder for writing implement15 Oct 2024US 12,115,811 B1King Faisal University
- Fractal-based mandala drawing toolset17 Oct 2023US 11,787,224 B2
- Slotted ruler2 Nov 2021US 11,161,365 B1My Sweet Petunia, Inc.
- Drafting tool17 Feb 2009US 7,490,412 B1
- Multipurpose drawing tool10 Jun 2008US 7,383,635 B1Learning Resources, Inc.
Most cited
By later US patents