A63B 2049/0213
Without strings
Official title: {without strings}
A63B2049/0213 (Without strings) appears on 8 US grants and 4 published applications in this corpus.
Search patents in A63B- Granted patents
- 8
- Published applications
- 4
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 12 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 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 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Tennis racquet with adjustable frame isolation12 Oct 2021US 11,141,630 B2
- Tennis racquet with adjustable frame isolation18 Feb 2020US 10,561,906 B2
- Tennis racquet with adjustable frame isolation6 Aug 2019US 10,369,424 B2
- Tennis racquet with adjustable frame isolation22 May 2018US 9,975,009 B2
- Variable inertia head racket17 May 1994US 5,312,102 ALisco, Inc.
- Tennis racquet with adjustable frame isolation28 May 2020US 2020/0164252 A1
- Tennis racquet with adjustable frame isolation12 Dec 2019US 2019/0374821 A1
- Tennis racquet with adjustable frame isolation23 Aug 2018US 2018/0236313 A1
- Tennis racquet with adjustable frame isolation18 Sep 2014US 2014/0274494 A1
Most cited
By later US patents
- Tennis racket47US 3,999,756 APrince Manufacturing, Inc. · 1976
- Racket frame with circular cross section and variable thickness17US 5,076,583 ASportstech Industries (U.S. Tech) Inc. · 1991
- Variable inertia head racket7US 5,312,102 ALisco, Inc. · 1994
- Tennis racquet with adjustable frame isolation3US 9,975,009 B22018
- Tennis racquet with adjustable frame isolation1US 10,369,424 B22019