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Official data from INPI

DISPOSITIVO PARA A REGULAGEM DA TEMPERATURA DO AR DE ADMISSÃO DE MOTORES DE COMBUSTÃO INTERNA.

Em AnáliseInvention Patent

Application data

Number

PI8305662

Type

Invention Patent

Filing

10/14/1983

Publication

04/03/1984

Progress at the INPI

  1. Filing10/14/83
  2. Publication04/03/84
  3. Examination06/26/84
  4. Allowance07/30/85
  5. Grant02/25/86
  6. Terminated07/12/88

The patent was granted on 02/25/1986 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filterwerk Mann & Hummel Gmbh.

DE

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Inventors

B. R. (pessoa física)

M. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 33 19 055.0 · 05/19/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação antecipada

#3.2

04/03/1984

RPI 702

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

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