Cessão de direito de exploração
#22.1
09/01/1987
RPI 880
Application data
Number
PI8305065Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 09/01/1987. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
09/01/1987
RPI 880
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07/29/1986
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05/06/1986
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01/07/1986
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04/09/1985
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#4.1
08/07/1984
RPI 720
#3.1
04/24/1984
RPI 705
#2.1
11/22/1983
RPI 683
#21.1
Patente extinta em 14/09/98
08/19/2008
RPI 1963
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