Concessão da patente
#16.1
08/30/1983
RPI 671
The patent was granted on 08/30/1983 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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
DONALDSON CO INC
Inventors
A. E. (pessoa física)
S. F. (pessoa física)
W. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1983
RPI 671
05/03/1983
RPI 654
#12.3
09/08/1982
RPI 620
05/18/1982
RPI 604
#18.2
01/21/1992
RPI 1103
From the same holder
Same category
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