Deferimento
#9.1
09/26/1989
RPI 988
Application data
Number
PI8602261Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Barber-Greene Company
US
Inventors
J. B. (pessoa física)
US
R. S. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
09/26/1989
RPI 988
#6.1
04/25/1989
RPI 966
#4.1
03/29/1988
RPI 910
#3.1
12/22/1987
RPI 896
#2.1
11/25/1986
RPI 840
#21.1
Patente extinta em 19/05/2001
07/22/2008
RPI 1959
#16.1
05/29/1990
RPI 1020
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.