Concessão da patente
#16.1
04/28/1987
RPI 862
Application data
Number
PI8300069Type
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: 04/28/1987. We update with every new RPI gazette, published weekly.
Applicants
M. I. (pessoa física)
US
Inventors
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/28/1987
RPI 862
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11/04/1986
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RPI 690
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02/22/1983
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Patente extinta em 07/01/98
07/01/2008
RPI 1956
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RPI 1037
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