B60P 3/1083
Means for extending the drawbar
Official title: {Means for extending the drawbar; Dollies and skidplates for the towhitch}
B60P3/1083 (Means for extending the drawbar) appears on 41 US grants and 24 published applications in this corpus.
Search patents in B60P- Granted patents
- 41
- Published applications
- 24
- Assignees
- 8
- Inventors
- 45
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 5 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Auxiliary trailer extension tongue23US 5,011,177 A1991
- Boat trailer21US 3,989,266 A1976
- Apparatus for simplifying the launching and retrieval of a boat from its trailer17US 4,679,812 A1987
- Boat trailer or kit17US 5,114,168 A1992
- Telescoping boat trailer with screw drive and cam detachable safety brake separator16US 4,726,601 A1988