Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8302305Type
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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
Inventors
W. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#9.1
08/11/1987
RPI 877
#4.1
01/06/1987
RPI 846
#3.1
12/11/1984
RPI 738
#2.1
06/21/1983
RPI 661
#15.11
12/22/2009
RPI 2033
#21.1
Patente extinta em 04/05/98
07/01/2008
RPI 1956
#20.1
10/04/1994
RPI 1244
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.