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Official data from INPI

ELETROLISADOR PARA HIDROELETRÓLISE ALCALINA E PROCESSO DE FABRICAÇÃO DO MESMO

ConcedidaInvention Patent

Application data

Number

PI8201134

Type

Invention Patent

Filing

03/04/1982

Publication

01/11/1983

Progress at the INPI

  1. Filing03/04/82
  2. Publication01/11/83
  3. Examination02/20/85
  4. Allowance12/16/86
  5. Grant09/29/87
  6. Terminated11/15/94

The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. H. (pessoa física)

DE

Inventors

H. S. (pessoa física)

DE

J. D. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 08 255.6 · 03/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

01/11/1983

RPI 638

Pedido de patente depositado

#2.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

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