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Official data from INPI

Mecanismo para gerar gás de pressão.

ConcedidaInvention Patent

Application data

Number

PI8205413

Type

Invention Patent

Filing

09/15/1982

Publication

08/23/1983

Progress at the INPI

  1. Filing09/15/82
  2. Publication08/23/83
  3. Examination07/30/85
  4. Allowance07/08/86
  5. Grant02/03/87
  6. Terminated07/18/95

The patent was granted on 02/03/1987 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: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wabco Fahezeugbremsen Gmbh.

DE

Inventors

H. W. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

3136949.9 · 09/17/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/03/1987

RPI 850

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Solicitação de exame técnico

#4.1

07/30/1985

RPI 771

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

11/03/1982

RPI 628

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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