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Official data from INPI

LAMA BOMBEÁVEL DE PARTÍCULAS MINERAIS EM ÁGUA

DeferidaInvention Patent

Application data

Number

PI8305863

Type

Invention Patent

Filing

10/24/1983

Publication

05/28/1985

Progress at the INPI

  1. Filing10/24/83
  2. Publication05/28/85
  3. Examination07/14/87
  4. Allowance08/29/89
  5. Grant03/20/90
  6. Terminated04/23/96

The patent was granted on 03/20/1990 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: 08/29/1989. 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

D. B. (pessoa física)

GB

M. J. (pessoa física)

GB

P. B. (pessoa física)

GB

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

07/14/1987

RPI 873

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

01/03/1984

RPI 689

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

Republicação - classificação IPC

#15.11

03/05/1991

RPI 1057

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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