Publicação do pedido de patente
#3.1
10/17/1989
RPI 991
Application data
Number
PI8900783Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Willett International Limited
GB
Inventors
D. L. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/17/1989
RPI 991
#2.1
04/11/1989
RPI 964
#21.1
Patente extinta em 17/02/2004
12/15/2009
RPI 2032
#16.1
12/27/1994
RPI 1256
#13.1
10/04/1994
RPI 1244
#9.1
05/31/1994
RPI 1226
#6.1
01/18/1994
RPI 1207
#4.1
10/02/1990
RPI 1035
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.