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Official data from INPI

SISTEMA DE CONTROLE DE VÁLVULA ELETROHIDRÁULICA

ConcedidaInvention Patent

Application data

Number

PI8504706

Type

Invention Patent

Filing

09/25/1985

Publication

12/16/1986

Progress at the INPI

  1. Filing09/25/85
  2. Publication12/16/86
  3. Examination05/12/87
  4. Allowance02/28/89
  5. Grant10/24/89
  6. Terminated08/08/95

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

719.898 · 04/04/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

05/12/1987

RPI 864

Publicação do pedido de patente

#3.1

12/16/1986

RPI 843

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Anuidade - prazo legal encerrado

#18.2

08/08/1995

RPI 1288

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