Concessão da patente
#16.1
06/30/1987
RPI 871
Application data
Number
PI8305741Type
Filing
Publication
The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
OSAKA GAS CO LTD [JP]
SOFARD KK [JP]
Inventors
A. (pessoa física)
A. [. (pessoa física)
K. [. (pessoa física)
K. [. (pessoa física)
S. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
03/04/1987
RPI 854
#9.1
09/30/1986
RPI 832
#6.1
02/18/1986
RPI 800
#4.1
09/11/1984
RPI 725
#1.3
01/10/1984
RPI 690
#18.2
10/02/1990
RPI 1035
Same category
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