Carta-patente expirada
#21.1
Patente extinta em 01/10/2010
05/21/2013
RPI 2211
Application data
Number
PI9004914Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
US
K. C. (pessoa física)
US
O. C. (pessoa física)
US
Inventors
G. W. (pessoa física)
US
M. B. (pessoa física)
US
IPC Classification
Priority claims
US
414,011 · 09/29/1989
US
586.080 · 09/21/1990
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 01/10/2010
05/21/2013
RPI 2211
#16.1
06/29/1999
RPI 1486
#9.1
12/29/1998
RPI 1460
#6.1
06/23/1998
RPI 1435
#6.1
02/12/1997
RPI 1367
04/13/1993
RPI 1167
#4.1
09/15/1992
RPI 1137
#4.2
06/02/1992
RPI 1122
#3.1
09/10/1991
RPI 1084
#2.1
04/02/1991
RPI 1061
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.