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Official data from INPI

ESTRUTURA POLIMÉRICA DE MULTICAMADA .

Em AnáliseInvention Patent

Application data

Number

PI8101852

Type

Invention Patent

Filing

03/27/1981

Publication

11/03/1982

Progress at the INPI

  1. Filing03/27/81
  2. Publication11/03/82
  3. Examination11/27/84
  4. Allowance12/29/87
  5. Grant06/28/88
  6. Terminated06/20/95

The patent was granted on 06/28/1988 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN CAN COMPANY

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Inventors

F. J. (pessoa física)

T. C. (pessoa física)

W. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

08/08/1989

RPI 981

20.4

09/13/1988

RPI 934

Pedido de licença compulsória

#20.1

09/06/1988

RPI 933

Pedido de licença compulsória

#20.1

08/30/1988

RPI 932

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

01/21/1986

RPI 796

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

11/03/1982

RPI 628

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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