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Official data from INPI

DISPOSITIVO DE PROTEÇÃO PARA BOMBAS DE LUBRIFICAÇÃO

DeferidaInvention Patent

Application data

Number

PI8601809

Type

Invention Patent

Filing

04/16/1986

Publication

11/10/1987

Progress at the INPI

  1. Filing04/16/86
  2. Publication11/10/87
  3. Examination01/12/88
  4. Allowance07/18/89
  5. Grant01/09/90
  6. Terminated03/10/92

The patent was granted on 01/09/1990 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica de Tubarão - Grupo Siderbrás

ES, BR

See this company's full portfolio

Inventors

J. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

01/12/1988

RPI 899

Publicação do pedido de patente

#3.1

11/10/1987

RPI 890

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

01/09/1990

RPI 1001

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