Concessão da patente
#16.1
11/24/1987
RPI 892
The patent was granted on 11/24/1987 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
ROBERTO BARTH [BR]
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
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08/11/1987
RPI 877
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RPI 823
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05/06/1986
RPI 811
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RPI 759
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12/06/1983
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10/02/1990
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