Concessão da patente
#16.1
09/27/1983
RPI 675
The patent was granted on 09/27/1983 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
PURDUE FREDERICK CO INT INC
Inventors
H. A. (pessoa física)
S. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
06/21/1983
RPI 661
#9.1
03/01/1983
RPI 645
#15.11
02/22/1983
RPI 644
#18.2
10/23/1990
RPI 1038
Same category
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