Solicitação de exame técnico
#4.1
08/08/1989
RPI 981
Application data
Number
PI8707602Type
Filing
Publication
PCT
US1987003383 The letters patent expired on 07/29/2008: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
C. C. (pessoa física)
US
E. M. (pessoa física)
US
IPC Classification
Priority claims
US
945,401 · 12/22/1986
US
945,403 · 12/22/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/08/1989
RPI 981
#1.3
03/14/1989
RPI 960
#21.1
Patente extinta em 16/12/2002
07/29/2008
RPI 1960
#16.1
06/29/1993
RPI 1178
#13.1
04/20/1993
RPI 1168
#9.1
12/08/1992
RPI 1149
From the same holder
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