Deferimento
#9.1
12/05/1989
RPI 998
Application data
Number
PI8304597Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
DE
Inventors
D. M. (pessoa física)
DE
H. S. (pessoa física)
DE
W. L. (pessoa física)
DE
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
12/05/1989
RPI 998
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08/15/1989
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04/02/1985
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#2.1
11/01/1983
RPI 680
#21.1
Patente extinta em 25/08/98
07/01/2008
RPI 1956
#16.1
11/27/1990
RPI 1043
09/04/1990
RPI 1031
#15.3
06/12/1990
RPI 1022
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04/10/1990
RPI 1013
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