Concessão da patente
#16.1
07/29/1986
RPI 823
The letters patent expired on 05/31/1994: 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
TOWNSEND ENGINEERING CO [US]
Inventors
T. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/29/1986
RPI 823
04/01/1986
RPI 806
#12.2
10/18/1983
RPI 678
#9.2
07/19/1983
RPI 665
#4.1
09/28/1982
RPI 623
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era A23L 1/31.
03/27/2018
RPI 2464
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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