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Official data from INPI

PROCESSO PARA A PREPARACAO DE UMA RESINA DE POLIURETANA

Em AnáliseInvention Patent

Application data

Number

PI8106614

Type

Invention Patent

Filing

11/10/1980

Publication

06/29/1982

Progress at the INPI

  1. Filing11/10/80
  2. Publication06/29/82
  3. Examination12/07/82
  4. Allowance04/03/84
  5. Grant11/27/84
  6. Terminated11/08/94

The patent was granted on 11/27/1984 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: 09/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UPJOHN CO

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Inventors

B. E. (pessoa física)

C. L. (pessoa física)

S. F. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

09/23/1986

RPI 831

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

Deferimento

#9.1

04/03/1984

RPI 702

Solicitação de exame técnico

#4.1

12/07/1982

RPI 633

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

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