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Official data from INPI

PROCESSO DE POLIMERIZACAO CONTINUA EM ESTADO SOLIDO DE UM PRE-POLIMERO CRISTALINO;PROCESSO DE POLIMERIZACAO EM ESTADO SOLIDO DE RESINA DE POLIESTER

ConcedidaInvention Patent

Application data

Number

PI8300212

Type

Invention Patent

Filing

02/02/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing02/02/82
  2. Publication10/11/83
  3. Examination10/29/85
  4. Allowance11/01/88
  5. Grant08/29/89
  6. Terminated04/18/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER [US]

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Inventors

D. 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

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

10/29/1985

RPI 784

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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