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Official data from INPI

ACOPLAMENTO NAO ROTATIVO

PublicadaInvention Patent

Application data

Number

PI8706401

Type

Invention Patent

Filing

11/26/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing11/26/87
  2. Publication07/19/88
  3. Examination08/28/90
  4. Allowance11/03/92
  5. Grant05/25/93
  6. Terminated10/24/95

The patent was granted on 05/25/1993 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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The British Petroleum Company Plc

GB

See this company's full portfolio

Inventors

I. B. (pessoa física)

GB

S. B. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8628340 · 11/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

04/12/1988

RPI 912

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

05/25/1993

RPI 1173

Deferimento

#9.1

11/03/1992

RPI 1144

Exigência - art. 36 da LPI

#6.1

03/17/1992

RPI 1111

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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