Solicitação de exame técnico
#4.1
06/27/1989
RPI 975
Application data
Number
PI8607354Type
Filing
Publication
PCT
US1986000758 The letters patent expired on 07/22/2008: 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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
H. L. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/27/1989
RPI 975
#1.3
02/21/1989
RPI 957
#21.1
Patente extinta em 11/04/2001
07/22/2008
RPI 1959
#16.1
08/30/1994
RPI 1239
#13.1
03/22/1994
RPI 1216
#9.1
11/16/1993
RPI 1198
#6.1
03/16/1993
RPI 1163
From the same holder
Same category
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