Concessão da patente
#16.1
06/24/1986
RPI 818
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Application data
Number
PI8104156Type
Invention Patent
Filing
06/30/1981
Publication
03/16/1982
Progress at the INPI
- Filing06/30/81
- Publication03/16/82
- Examination08/31/82
- Allowance12/17/85
- Grant06/24/86
- Expired10/08/96
The letters patent expired on 10/08/1996: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
R. D. (pessoa física)
US
Inventors
D. [. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
04/22/1986
RPI 809
Deferimento
#9.1
12/17/1985
RPI 791
Exigência - art. 36 da LPI
#6.1
05/14/1985
RPI 760
Republicação - classificação IPC
#15.11
01/08/1985
RPI 742
Exigência - art. 36 da LPI
#6.1
07/24/1984
RPI 718
Solicitação de exame técnico
#4.1
08/31/1982
RPI 619
Publicação do pedido de patente
#3.1
03/16/1982
RPI 595
Carta-patente expirada
#21.1
10/08/1996
RPI 1349
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