Concessão da patente
#16.1
05/30/1989
RPI 971
The patent was granted on 05/30/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
LUIZ PAULO DE AZEVEDO BARBOSA [BR]
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/30/1989
RPI 971
#15.11
05/16/1989
RPI 969
#13.1
12/06/1988
RPI 946
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08/09/1988
RPI 929
#6.1
12/29/1987
RPI 897
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12/10/1985
RPI 790
#3.2
09/17/1985
RPI 778
#2.1
07/02/1985
RPI 767
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03/10/1992
RPI 1110
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