Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8200372Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Inventors
E. P. (pessoa física)
US
P. D. (pessoa física)
US
Priority claims
US
249,880 · 04/01/1981
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
03/19/1985
RPI 752
#4.1
07/31/1984
RPI 719
#3.1
11/23/1982
RPI 631
#2.1
03/16/1982
RPI 595
#21.1
Patente extinta em 25/01/97
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.