Solicitação de exame técnico
#4.1
04/09/1985
RPI 755
Application data
Number
PI8207883Type
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: 04/09/1985. We update with every new RPI gazette, published weekly.
Applicants
John A. Webster, Jr.
US
Inventors
J. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/09/1985
RPI 755
#1.3
08/30/1983
RPI 671
#21.1
Patente extinta em 22/09/97
07/01/2008
RPI 1956
#16.1
05/30/1995
RPI 1278
#9.1
11/29/1994
RPI 1252
#6.1
04/12/1994
RPI 1219
Same category
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