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Official data from INPI

COMBUSTOR A LEITO FLUIDIZADO

Em AnáliseInvention Patent

Application data

Number

PI8106723

Type

Invention Patent

Filing

10/20/1980

Publication

07/06/1982

Progress at the INPI

  1. Filing10/20/80
  2. Publication07/06/82
  3. Examination06/26/84
  4. Allowance07/08/86
  5. Grant02/03/87
  6. Terminated07/12/88

The patent was granted on 02/03/1987 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STONE PLATT FLUIDFIRE LTD [GB]

Inventors

H. R. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

Pedido de patente depositado

#2.1

12/01/1981

RPI 580

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