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Official data from INPI

PEDRA DE BOCAIS PARA FORNOS GIRATÓRIOS

ConcedidaInvention Patent

Application data

Number

PI8204889

Type

Invention Patent

Filing

08/20/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/20/82
  2. Publication08/02/83
  3. Examination08/20/85
  4. Allowance05/31/88
  5. Grant12/27/88
  6. Terminated12/20/94

The patent was granted on 12/27/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

DE

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Inventors

H. W. (pessoa física)

DE

H. E. (pessoa física)

DE

K. G. (pessoa física)

DE

L. U. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 37 122.1 · 09/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

10/06/1987

RPI 885

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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