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Official data from INPI

FORNALHA DE COMBUSTÃO PARA CALDEIRA COM LEITO FLUIDIZADO

Em AnáliseInvention Patent

Application data

Number

PI8406082

Type

Invention Patent

Filing

11/29/1984

Publication

09/24/1985

Progress at the INPI

  1. Filing11/29/84
  2. Publication09/24/85
  3. Examination06/16/87
  4. Allowance07/12/88
  5. Grant05/29/90
  6. Terminated07/04/95

The patent was granted on 05/29/1990 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

FR

Institut Français Du Petrole

FR

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Inventors

J. D. (pessoa física)

FR

J. K. (pessoa física)

FR

J. L. (pessoa física)

FR

R. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83 19321 · 12/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

10/25/1988

RPI 940

Deferimento

#9.1

07/12/1988

RPI 925

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Pedido de certificado de adição de invenção

#5.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

02/20/1985

RPI 748

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

05/29/1990

RPI 1020

110

01/16/1990

RPI 1002

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