Concessão da patente
#16.1
06/28/1988
RPI 923
Application data
Number
PI8304322Type
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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
Companhia Hansen Industrial
SC, BR
Tigre Participações S/A
SC, BR
Inventors
D. V. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
03/15/1988
RPI 908
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12/01/1987
RPI 893
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RPI 877
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RPI 870
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08/05/1986
RPI 824
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03/19/1985
RPI 752
#2.1
10/18/1983
RPI 678
#21.1
Patente extinta em 11/08/98
07/01/2008
RPI 1956
11/21/1995
RPI 1303
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