Pedido de licença compulsória
#20.1
11/04/1986
RPI 837
Progress at the INPI
- Filing07/03/80
- Publication03/16/82
- Examination06/22/82
- Allowance08/28/84
- Grant12/26/84
- Expired12/07/93
The letters patent expired on 12/07/1993: 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: 11/04/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
A. T. (pessoa física)
Inventors
T. [. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
12/26/1984
RPI 740
100
08/28/1984
RPI 723
120
05/15/1984
RPI 708
Petição de recurso
#12.2
10/18/1983
RPI 678
Indeferimento
#9.2
08/02/1983
RPI 667
Solicitação de exame técnico
#4.1
06/22/1982
RPI 609
Publicação do pedido de patente
#3.1
03/16/1982
RPI 595
Republicação - classificação IPC
#15.11
01/19/2010
RPI 2037
Carta-patente expirada
#21.1
12/07/1993
RPI 1201
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.