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Official data from INPI

APERFEIÇOAMENTOS NOS PERMUTADORES DE CALOR E PROCESSO PARA FABRICAÇÃO DE UM PERMUTADOR OU DE UM GERADOR DE VAPOR

Em AnáliseInvention Patent

Application data

Number

PI8200057

Type

Invention Patent

Filing

01/07/1982

Publication

10/26/1982

Progress at the INPI

  1. Filing01/07/82
  2. Publication10/26/82
  3. Examination12/18/84
  4. Allowance01/07/86
  5. Grant06/24/86
  6. Terminated05/24/88

The patent was granted on 06/24/1986 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. T. (pessoa física)

FR

Inventors

G. T. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 00212 · 01/08/1981

FR

81 02993 · 02/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Solicitação de exame técnico

#4.1

12/18/1984

RPI 739

Publicação do pedido de patente

#3.1

10/26/1982

RPI 627

Pedido de patente depositado

#2.1

03/02/1982

RPI 593

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