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Official data from INPI

COMBUSTOR

DeferidaInvention Patent

Application data

Number

PI8406647

Type

Invention Patent

Filing

12/20/1984

Publication

10/15/1985

Progress at the INPI

  1. Filing12/20/84
  2. Publication10/15/85
  3. Examination11/03/87
  4. Allowance08/29/89
  5. Grant04/24/90
  6. Terminated05/14/96

The patent was granted on 04/24/1990 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

Coal Industry (Patents) Limited

GB

See this company's full portfolio

Inventors

M. B. (pessoa física)

N. S. (pessoa física)

FR

T. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

83/34332 · 12/23/1983

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

02/21/1989

RPI 957

Exigência - art. 36 da LPI

#6.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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