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Official data from INPI

SEPARADOR DE BATERIA E PROCESSO PARA SUA PRODUÇÃO

ConcedidaInvention Patent

Application data

Number

PI8201497

Type

Invention Patent

Filing

03/18/1982

Publication

11/01/1983

Progress at the INPI

  1. Filing03/18/82
  2. Publication11/01/83
  3. Examination01/28/86
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Terminated10/29/96

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co

US

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Inventors

G. G. (pessoa física)

US

J. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

338.381 · 01/11/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

10/11/1988

RPI 938

6.2

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

05/04/1982

RPI 602

Anuidade - prazo legal encerrado

#18.2

10/29/1996

RPI 1352

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