Concessão da patente
#16.1
12/27/1988
RPI 949
Application data
Number
PI8401725Type
Filing
Publication
The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
W. F. (pessoa física)
SP, BR
Inventors
W. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#9.1
06/28/1988
RPI 923
#4.1
04/08/1986
RPI 807
#3.1
11/19/1985
RPI 787
#2.1
06/26/1984
RPI 714
#18.2
05/07/1996
RPI 1327
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.