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Official data from INPI

DISPOSITIVO DE EXTRAÇÃO CONTÍNUA DE CINZAS E RESÍDUOS FLUTUANTES COM JUNTAS HIDRÁULICAS.

Em AnáliseInvention Patent

Application data

Number

PI8301036

Type

Invention Patent

Filing

03/03/1983

Publication

10/02/1984

Progress at the INPI

  1. Filing03/03/83
  2. Publication10/02/84
  3. Examination01/02/85
  4. Allowance01/07/86
  5. Grant09/30/86
  6. Terminated05/24/88

The patent was granted on 09/30/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Entreprise Generale De Chauffage Industriel Pillard

FR

Inventors

B. F. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

8217854 · 10/21/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

Solicitação de exame técnico

#4.1

01/02/1985

RPI 741

Publicação do pedido de patente

#3.1

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

04/19/1983

RPI 652

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