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Official data from INPI

MOLA A GAS COM PROTECAO DE ENCAIXE QUANDO DE PERDA DE PRESSAO

ConcedidaInvention Patent

Application data

Number

PI8205480

Type

Invention Patent

Filing

09/18/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing09/18/81
  2. Publication08/23/83
  3. Examination06/04/85
  4. Allowance10/14/86
  5. Grant06/30/87
  6. Terminated01/03/95

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STABILUS GMBH [DE]

Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

03/10/1987

RPI 855

Deferimento

#9.1

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Solicitação de exame técnico

#4.1

06/04/1985

RPI 763

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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