Publicação do pedido de patente
#3.1
05/02/1989
RPI 967
Application data
Number
PI8804905Type
Filing
Publication
The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 05/02/1989. We update with every new RPI gazette, published weekly.
Applicants
W. F. (pessoa física)
AU
Inventors
W. F. (pessoa física)
AU
IPC Classification
Priority claims
US
100.773 · 09/24/1987
US
226.669 · 08/01/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/02/1989
RPI 967
#2.1
02/08/1989
RPI 955
#21.1
Patente extinta em 22/09/2003
09/02/2008
RPI 1965
#16.1
03/26/1996
RPI 1321
#13.1
11/07/1995
RPI 1301
#9.1
06/27/1995
RPI 1282
#6.1
12/27/1994
RPI 1256
#6.1
07/19/1994
RPI 1233
#6.1
02/22/1994
RPI 1212
02/16/1993
RPI 1159
#4.1
06/11/1991
RPI 1071
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.