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Official data from INPI

APARELHO QUE TEM DISPOSITIVO DE ALIMENTAÇÃO DE FORNO E DISPOSITIVO DE COLETA DE PARTÍCULAS, PAINEL DE ALÍVIO DE EXPLOSÃO E PROCESSO PARA ALIMENTAR UM FORNO.

ConcedidaInvention Patent
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Application data

Number

PI8104535

Type

Invention Patent

Filing

07/15/1981

Publication

03/30/1982
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Progress at the INPI

  1. Filing07/15/81
  2. Publication03/30/82
  3. Examination03/27/84
  4. Allowance01/06/87
  5. Grant07/28/87
  6. Terminated09/13/94

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

H. A. (pessoa física)

T. K. (pessoa física)

Technical data

IPC Classification

C01B 25/01F27B 9/02F27D 17/00F27D 3/00F27D 3/10

Priority claims

US

169.248 · 07/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

05/13/1986

RPI 812

Republicação - classificação IPC

#15.11

11/19/1985

RPI 787

Exigência - art. 36 da LPI

#6.1

11/05/1985

RPI 785

6.2

10/02/1984

RPI 728

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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