Solicitação de exame técnico
#4.1
08/30/1988
RPI 932
Application data
Number
PI8604703Type
Filing
Publication
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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
H. D. (pessoa física)
US
Inventors
H. D. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/30/1988
RPI 932
#3.1
05/10/1988
RPI 916
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03/24/1987
RPI 857
#21.1
Patente extinta em 22/09/2001
07/22/2008
RPI 1959
#16.1
06/28/1994
RPI 1230
#13.1
03/08/1994
RPI 1214
#9.1
10/05/1993
RPI 1192
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11/05/1991
RPI 1092
Same category
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