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Official data from INPI

PROCESSO PARA PRODUÇÃO DE PLACA METÁLICA; PLACA DE BATERIA DE ALTA RESISTÊNCIA MECÂNICA

ConcedidaInvention Patent

Application data

Number

PI8203995

Type

Invention Patent

Filing

07/09/1982

Publication

01/10/1984

Progress at the INPI

  1. Filing07/09/82
  2. Publication01/10/84
  3. Examination02/18/86
  4. Allowance05/09/89
  5. Grant11/28/89
  6. Terminated04/02/96

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

N. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

321.645 · 11/16/1981

US

362.003 · 03/29/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

11/22/1988

RPI 944

Conhecimento de parecer técnico

#7.1

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

02/18/1986

RPI 800

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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