Concessão da patente
#16.1
02/03/1987
RPI 850
Application data
Number
PI8201274Type
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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
K. K. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
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RPI 639
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04/20/1982
RPI 600
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Patente extinta em 10/03/97
07/01/2008
RPI 1956
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