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Official data from INPI

REATOR-BASE DE COMBUSTÍVEL FLUIDIFICADO E MÉTODO DE QUEIMAR MATERIAL QUE CONTÉM MATÉRIA INCOMBUSTÍVEL.

ConcedidaInvention Patent

Application data

Number

PI8103794

Type

Invention Patent

Filing

06/15/1981

Publication

03/09/1982

Progress at the INPI

  1. Filing06/15/81
  2. Publication03/09/82
  3. Examination03/20/84
  4. Allowance05/07/85
  5. Grant11/26/85
  6. Terminated09/13/94

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. O. (pessoa física)

FI

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Inventors

E. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

159467 · 06/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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