Solicitação de exame técnico
#4.1
07/19/1988
RPI 926
Application data
Number
PI8505370Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 07/19/1988. We update with every new RPI gazette, published weekly.
Applicants
P. C. (pessoa física)
US
Inventors
S. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/19/1988
RPI 926
#3.1
08/05/1986
RPI 824
#2.1
12/24/1985
RPI 792
#21.1
Patente extinta em 29/10/2000
07/15/2008
RPI 1958
12/10/1991
RPI 1097
#16.1
02/13/1991
RPI 1054
#13.1
11/13/1990
RPI 1041
#9.1
07/31/1990
RPI 1026
#6.1
02/06/1990
RPI 1005
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.