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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8304124

Type

Invention Patent

Filing

08/02/1983

Publication

03/12/1985

Progress at the INPI

  1. Filing08/02/83
  2. Publication03/12/85
  3. Examination06/11/85
  4. Allowance02/09/88
  5. Grant03/28/89
  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.

Talk to a specialist

Latest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Incomaf S/A Industria E Comercio

SP, BR

See this company's full portfolio

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

08/30/1988

RPI 932

Deferimento

#9.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

06/11/1985

RPI 764

Publicação do pedido de patente

#3.1

03/12/1985

RPI 751

Pedido de patente depositado

#2.1

10/11/1983

RPI 677

Carta-patente expirada

#21.1

Patente extinta em 02/08/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

03/30/1993

RPI 1165

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