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Official data from INPI

COMBUSTOR A LEITO FLUIDIZADO

ConcedidaInvention Patent

Application data

Number

PI8402005

Type

Invention Patent

Filing

04/25/1984

Publication

08/14/1984

Progress at the INPI

  1. Filing04/25/84
  2. Publication08/14/84
  3. Examination11/27/84
  4. Allowance02/17/87
  5. Grant10/27/87
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fundação de Ciência e Tecnologia

RS, BR

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Inventors

E. S. (pessoa física)

M. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

06/23/1987

RPI 870

Deferimento

#9.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação antecipada

#3.2

08/14/1984

RPI 721

Pedido de patente depositado

#2.1

07/10/1984

RPI 716

Carta-patente expirada

#21.1

Patente extinta em 25/04/99

07/08/2008

RPI 1957

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