Concessão da patente
#16.1
05/27/1986
RPI 814
The letters patent expired on 12/07/1993: 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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
VALVULAS SCHRADER DO BRASIL S [BR]
Inventors
P. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/27/1986
RPI 814
#13.1
12/10/1985
RPI 790
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08/06/1985
RPI 772
#6.1
02/12/1985
RPI 747
#4.1
10/04/1983
RPI 676
#3.2
03/29/1983
RPI 649
#2.1
12/21/1982
RPI 635
#21.1
12/07/1993
RPI 1201
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Same category
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