Concessão da patente
#16.1
07/29/1986
RPI 823
Application data
Number
PI8208023Type
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: 07/29/1986. We update with every new RPI gazette, published weekly.
Applicants
P. C. (pessoa física)
US
Inventors
H. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/29/1986
RPI 823
#13.1
04/22/1986
RPI 809
#9.1
12/03/1985
RPI 789
#6.1
03/05/1985
RPI 750
#4.1
09/11/1984
RPI 725
#1.3
11/22/1983
RPI 683
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G02B 5/172; G02B 5/20.
03/27/2018
RPI 2464
#21.1
Patente extinta em 15/12/97
07/01/2008
RPI 1956
From the same holder
Same category
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