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Official data from INPI

PROCESSO PARA INTERLIGAR COMPONENTES TUBULARES, RECIPROCAMENTE ENCAIXADOS, DE UM TROCADOR DE CALOR, E FERRAMENTA PARA A REALIZAÇÃO DO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8304601

Type

Invention Patent

Filing

08/25/1983

Publication

04/03/1984

Progress at the INPI

  1. Filing08/25/83
  2. Publication04/03/84
  3. Examination07/17/84
  4. Allowance09/02/86
  5. Grant06/02/87
  6. Terminated10/02/90

The patent was granted on 06/02/1987 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Suddeutsche Kuhlerfabrik Julius Fr. Behr GMBH & Co. Kg.

DE

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 32 32 297.6 · 08/31/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

Deferimento

#9.1

09/02/1986

RPI 828

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Publicação do pedido de patente

#3.1

04/03/1984

RPI 702

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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