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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8107157

Type

Invention Patent

Filing

11/04/1981

Publication

07/20/1982
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Progress at the INPI

  1. Filing11/04/81
  2. Publication07/20/82
  3. Examination09/18/84
  4. Allowance05/13/86
  5. Grant12/30/86
  6. Terminated03/19/96

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

FR

Inventors

B. A. (pessoa física)

Technical data

IPC Classification

F28C 3/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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