Pedido de patente depositado
#2.1
05/10/1988
RPI 916
The letters patent expired on 09/02/2008: 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: 05/10/1988. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
W. C. (pessoa física)
US
Inventors
J. B. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/10/1988
RPI 916
#21.1
Patente extinta em 18/02/2003
09/02/2008
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RPI 1306
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11/29/1994
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09/27/1994
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05/10/1994
RPI 1223
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09/21/1993
RPI 1190
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