Concessão da patente
#16.1
04/26/1988
RPI 914
The letters patent expired on 09/27/1994: 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Cia. Ultragaz S/A.
SP, BR
Inventors
P. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1988
RPI 914
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03/01/1988
RPI 906
#9.1
11/10/1987
RPI 890
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04/14/1987
RPI 860
#6.1
09/23/1986
RPI 831
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09/03/1985
RPI 776
#3.1
06/11/1985
RPI 764
#2.1
01/10/1984
RPI 690
#21.1
09/27/1994
RPI 1243
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