Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8201909Type
Filing
Publication
The patent was granted on 05/30/1989 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du pont de Nemours and Company
US
Inventors
R. R. (pessoa física)
US
IPC Classification
Priority claims
US
252.372 · 04/09/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/30/1989
RPI 971
#13.1
01/10/1989
RPI 951
#9.1
09/27/1988
RPI 936
#6.1
03/29/1988
RPI 910
#4.1
05/14/1985
RPI 760
#3.1
03/08/1983
RPI 646
#2.1
05/25/1982
RPI 605
#18.2
07/18/1995
RPI 1285
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.