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Official data from INPI

TROCADOR DE CALOR E PROCESSO PARA SUA PRODUÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8306877

Type

Invention Patent

Filing

12/14/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing12/14/83
  2. Publication07/31/84
  3. Examination12/04/84
  4. Allowance04/15/86
  5. Grant08/25/92
  6. Terminated09/05/95

The patent was granted on 08/25/1992 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: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Behr GmbH & Co.

DE

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

DE

See this company's full portfolio

Inventors

B. H. (pessoa física)

DE

J. B. (pessoa física)

DE

R. K. (pessoa física)

DE

V. K. (pessoa física)

DE

W. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 32 47 502.0 · 12/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

110

01/13/1987

RPI 847

Recurso

#12.1

08/19/1986

RPI 826

Deferimento

#9.1

04/15/1986

RPI 808

Exigência - art. 36 da LPI

#6.1

08/06/1985

RPI 772

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

20.4

03/30/1993

RPI 1165

Concessão da patente

#16.1

08/25/1992

RPI 1134

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