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Official data from INPI

LIGA À BASE DE COBRE TRABALHÁVEL A QUENTE E PROCESSO PARA TRATAMENTO DA MESMA

DeferidaInvention Patent

Application data

Number

PI8400736

Type

Invention Patent

Filing

02/17/1984

Publication

09/25/1984

Progress at the INPI

  1. Filing02/17/84
  2. Publication09/25/84
  3. Examination10/29/86
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Terminated06/06/95

The patent was granted on 06/26/1990 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

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Inventors

J. C. (pessoa física)

US

J. B. (pessoa física)

US

Y. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

467.697 · 02/18/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

6.2

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

10/29/1986

RPI 836

Publicação do pedido de patente

#3.1

09/25/1984

RPI 727

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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