11.3
09/12/1989
RPI 986
Application data
Number
PI8300365Type
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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
Inventors
C. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
09/12/1989
RPI 986
#6.1
05/09/1989
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09/27/1988
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07/26/1988
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07/28/1987
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10/29/1985
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10/25/1983
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03/15/1983
RPI 647
#21.1
Patente extinta em 26/01/98
07/01/2008
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12/26/1990
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