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Official data from INPI

COMBINACÃO EM PERMUTADOR DE CALOR.

Em AnáliseInvention Patent

Application data

Number

PI8303321

Type

Invention Patent

Filing

06/22/1983

Publication

01/29/1985

Progress at the INPI

  1. Filing06/22/83
  2. Publication01/29/85
  3. Examination03/24/87
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Terminated10/10/89

The patent was granted on 07/26/1988 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. C. (pessoa física)

W. B. (pessoa física)

Inventors

B. [. (pessoa física)

C. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Republicação - classificação IPC

#15.11

02/09/1988

RPI 903

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

03/24/1987

RPI 857

14.1

11/12/1985

RPI 786

14.3

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

01/29/1985

RPI 745

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

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