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Official data from INPI

COMPOSIÇÃO COM ADITIVO DE PERFIL REDUZIDO E ARTEFATO MOLDADO.

ConcedidaInvention Patent

Application data

Number

PI8103821

Type

Invention Patent

Filing

06/17/1981

Publication

01/25/1983

Progress at the INPI

  1. Filing06/17/81
  2. Publication01/25/83
  3. Examination03/26/85
  4. Allowance09/27/88
  5. Grant04/25/89
  6. Terminated06/27/95

The patent was granted on 04/25/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

A. E. (pessoa física)

G. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

03/26/1985

RPI 753

Publicação do pedido de patente

#3.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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