B43L 11/055
With guides
Official title: with guides
B43L11/055 (With guides) appears on 15 US grants and 0 published applications in this corpus.
Search patents in B43L- Granted patents
- 15
- Published applications
- 0
- Assignees
- 2
- Inventors
- 15
- Latest grant
- 17 Sep 1996
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Ellipse Scribe17 Sep 1996US 5,555,631 A
- Device for circumscribing circles and ellipses18 Jun 1996US 5,526,573 AThe Fletcher-Terry Company
- Device for circumscribing circles and ellipses11 Jul 1995US 5,430,946 AThe Fletcher-Terry Company
- Device for drawing elliptical curves2 Mar 1993US 5,189,800 A
- Ellipsograph as a drafting tool23 Jun 1992US 5,123,170 A
No published applications in this class yet.
Most cited
By later US patents
- Ellipse Scribe16US 5,555,631 A1996
- Device for circumscribing circles and ellipses12US 5,430,946 AThe Fletcher-Terry Company · 1995
- Device for describing an ellipse11US 4,244,106 A1981
- Device for circumscribing circles and ellipses11US 5,526,573 AThe Fletcher-Terry Company · 1996
- Device for drawing elliptical curves10US 5,189,800 A1993