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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8305048

Type

Invention Patent

Filing

09/16/1983

Publication

04/23/1985

Progress at the INPI

  1. Filing09/16/83
  2. Publication04/23/85
  3. Examination09/03/85
  4. Allowance06/28/88
  5. Grant08/29/89
  6. 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Incomaf S/A Industria e Comercio

SP, BR

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Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

01/31/1989

RPI 954

Deferimento

#9.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação antecipada

#3.2

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

11/16/1983

RPI 682

Carta-patente expirada

#21.1

Patente extinta em 16/09/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

03/30/1993

RPI 1165

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