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Official data from INPI

VÁLVULA DE CONTROLE DE REGULAGEM AUTOMÁTICA

PublicadaInvention Patent

Application data

Number

PI8701630

Type

Invention Patent

Filing

04/07/1987

Publication

10/18/1988

Progress at the INPI

  1. Filing04/07/87
  2. Publication10/18/88
  3. Examination01/08/91
  4. Allowance03/17/92
  5. Grant11/24/92
  6. Terminated10/17/95

The patent was granted on 11/24/1992 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: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The B.F. Goodrich Company

US

See this company's full portfolio

Inventors

R. I. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/18/1988

RPI 939

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

11/24/1992

RPI 1147

Republicação - classificação IPC

#15.11

10/06/1992

RPI 1140

Notificação para pagamento de retribuição

#13.1

08/11/1992

RPI 1132

Deferimento

#9.1

03/17/1992

RPI 1111

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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