Solicitação de exame técnico
#4.1
12/05/1989
RPI 998
Application data
Number
PI8805739Type
Filing
Publication
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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
A. L. (pessoa física)
US
Inventors
A. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/05/1989
RPI 998
#3.1
07/18/1989
RPI 978
#2.1
03/14/1989
RPI 960
#21.1
Patente extinta em 04/11/2003
09/02/2008
RPI 1965
#16.1
10/25/1994
RPI 1247
#13.1
06/14/1994
RPI 1228
#9.1
03/01/1994
RPI 1213
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