B43L 11/08
Non-circular-curve-drawing instruments: for drawing involutes
Official title: for drawing involutes
B43L11/08 (Non-circular-curve-drawing instruments: for drawing involutes) appears on 9 US grants and 2 published applications in this corpus.
Search patents in B43L- Granted patents
- 9
- Published applications
- 2
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 11 Jun 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 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 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
Most cited
By later US patents
- Apparatus for drawing compound designs, with offsetting, size-varying, skewing, and distorting adjustments8US 4,825,556 A1989
- Dispensing container7US 4,451,164 A1984
- Drawing device for creating mandala7US 8,458,918 B2Ostberg Design APS · 2013
- Drawing instrument or apparatus4US 4,391,045 A1983
- Amusement apparatus for drawing a distorted caricature by tracing an original photograph or the like2US 4,945,643 A1990