A45B 13/00
Umbrellas made of paper
A45B13/00 (Umbrellas made of paper) appears on 13 US grants and 1 published applications in this corpus.
Search patents in A45B- Granted patents
- 13
- Published applications
- 1
- Assignees
- 3
- Inventors
- 17
- Latest grant
- 12 Oct 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 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 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
Most cited
By later US patents
- Collapsible diposable umbrella26US 4,821,756 ARainstix R & D Partners Ltd. · 1989
- Emergency umbrella11US 4,842,003 ABexel Corporation · 1989
- Frameless umbrella and canopy9US 5,421,354 A1995
- Disposable rain and weather protector8US 4,062,369 A1977
- Emergency umbrella8US 4,966,179 ABexel Corporation · 1990