Concessão da patente
#16.1
04/29/1986
RPI 810
Progress at the INPI
- Filing10/15/80
- Publication
- Examination06/28/83
- Allowance09/10/85
- Grant04/29/86
- Expired11/21/95
The letters patent expired on 11/21/1995: 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: 04/29/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Estados Unidos da América Representado pelo Secretário de Estado de comércio
US
Inventors
M. W. (pessoa física)
S. T. (pessoa física)
Technical data
IPC Classification
Priority claims
US
085.450 · 10/16/1979
US
196.172 · 10/14/1980
US
80/01357 · 10/15/1980
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
01/14/1986
RPI 795
Deferimento
#9.1
09/10/1985
RPI 777
Exigência - art. 36 da LPI
#6.1
11/20/1984
RPI 735
Exigência - art. 36 da LPI
#6.1
02/14/1984
RPI 695
Solicitação de exame técnico
#4.1
06/28/1983
RPI 662
Carta-patente expirada
#21.1
11/21/1995
RPI 1303
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