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Official data from INPI

COMPOSICAO TERMOPLASTICA EXPANSIVEL, PROCESSO DE PREPARACAO DE ARTIGO TERMOPLASTICO EXPANDIDO PRODUZIDO PELA DITA COMPOSICAO

ConcedidaInvention Patent

Application data

Number

PI8102962

Type

Invention Patent

Filing

05/19/1980

Publication

02/02/1982

Progress at the INPI

  1. Filing05/19/80
  2. Publication02/02/82
  3. Examination01/31/84
  4. Allowance07/12/88
  5. Grant12/27/88
  6. Terminated08/30/94

The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIROYAL INC

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Inventors

J. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

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