Solicitação de exame técnico
#4.1
10/06/1987
RPI 885
Application data
Number
PI8506851Type
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: 10/06/1987. We update with every new RPI gazette, published weekly.
Applicants
Intersteel Technology, Inc.
US
Inventors
J. V. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/06/1987
RPI 885
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09/23/1986
RPI 831
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Patente extinta em 30/07/2000
07/15/2008
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07/27/1993
RPI 1182
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05/04/1993
RPI 1170
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01/19/1993
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11/12/1991
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