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Official data from INPI

PROCESSO DE FABRICAÇÃO DE AGLOMERADOS, PARTICULARMENTE BRIQUETES COMBUSTÍVEIS.

ConcedidaInvention Patent
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Application data

Number

PI8002811

Type

Invention Patent

Filing

05/07/1980

Publication

12/29/1981
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Progress at the INPI

  1. Filing05/07/80
  2. Publication12/29/81
  3. Examination01/31/84
  4. Allowance09/02/86
  5. Grant06/02/87
  6. Terminated02/04/92

The patent was granted on 06/02/1987 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

Inventors

B. H. (pessoa física)

O. C. (pessoa física)

Technical data

IPC Classification

C22B 1/24

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Exigência - art. 36 da LPI

#6.1

06/26/1984

RPI 714

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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