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Official data from INPI

APERFEIÇOAMENTO EM CONCENTRADOR DE CALOR

ConcedidaInvention Patent

Application data

Number

PI8403543

Type

Invention Patent

Filing

07/12/1984

Publication

03/04/1986

Progress at the INPI

  1. Filing07/12/84
  2. Publication03/04/86
  3. Examination08/05/86
  4. Allowance12/20/88
  5. Grant09/26/89
  6. Terminated06/18/91

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. A. (pessoa física)

SP, BR

Inventors

L. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/20/1988

RPI 948

Conhecimento de parecer técnico

#7.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação antecipada

#3.2

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

09/25/1984

RPI 727

Anuidade - prazo legal encerrado

#18.2

06/18/1991

RPI 1072

Pedido de licença compulsória

#20.1

08/21/1990

RPI 1029

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