Cessão de direito de exploração
#22.1
06/24/1986
RPI 818
The letters patent expired on 12/07/1993: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
ATB SPA
Inventors
B. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
06/24/1986
RPI 818
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10/30/1984
RPI 732
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RPI 717
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RPI 701
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08/30/1983
RPI 671
10/19/1982
RPI 626
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08/31/1982
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12/01/1981
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#21.1
12/07/1993
RPI 1201
Same category
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