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Official data from INPI

PROCESSO PARA A PRODUCAO DE MATERIAL ESTRATIFICADO COM UMA CAMADA FUNCIONAL APLICADA SOBRE UMA CAMADA DE SUPORTE,E MATERIAL ESTRATIFICADO PRODUZIDO POR ESSE PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8305987

Type

Invention Patent

Filing

11/18/1982

Publication

07/10/1984

Progress at the INPI

  1. Filing11/18/82
  2. Publication07/10/84
  3. Examination08/26/86
  4. Allowance09/08/87
  5. Grant06/28/88
  6. Terminated05/09/95

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.

Talk to a specialist

Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GLYCO METALL WERKE [DE]

Inventors

H. E. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

03/10/1987

RPI 855

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

20.4

04/21/1992

RPI 1116

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