Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

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Application data

Number

PI8303973

Type

Invention Patent

Filing

07/20/1983

Publication

02/28/1984

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Progress at the INPI

Filing07/20/83
Publication02/28/84
Examination04/01/86
Allowance06/09/87
Grant11/24/87
Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

06/27/1989

RPI 975

Pedido de licença voluntária

#17.1

01/03/1989

RPI 950

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

02/28/1984

RPI 697

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

Carta-patente expirada

#21.1

Patente extinta em 20/07/98

07/01/2008

RPI 1956

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