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Official data from INPI

APARELHO PARA EXTRUSAR,COZER POR PRESSAO CONTINUAMENTE E FORMAR BOLINHAS DE UM PRODUTO ALIMENTICIO E CONJUNTO DE ACIONAMENTO DE CHAPA DE VEDACAO

Em AnáliseInvention Patent

Application data

Number

PI8100483

Type

Invention Patent

Filing

04/14/1980

Publication

01/12/1982

Progress at the INPI

  1. Filing04/14/80
  2. Publication01/12/82
  3. Examination05/18/82
  4. Allowance03/25/86
  5. Grant10/29/86
  6. Terminated06/20/95

The patent was granted on 10/29/1986 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOPPERS CO INC

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Inventors

B. J. (pessoa física)

F. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/28/1989

RPI 958

Concessão da patente

#16.1

10/29/1986

RPI 836

Notificação para pagamento de retribuição

#13.1

07/15/1986

RPI 821

Deferimento

#9.1

03/25/1986

RPI 805

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

05/18/1982

RPI 604

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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