14.1
08/30/1988
RPI 932
Application data
Number
PI8502301Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
M. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
08/30/1988
RPI 932
#4.1
08/05/1986
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01/21/1986
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#2.1
07/23/1985
RPI 770
#21.1
Patente extinta em 16/05/2000
07/15/2008
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#16.1
06/30/1992
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03/17/1992
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#13.1
02/04/1992
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10/01/1991
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01/02/1991
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