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Official data from INPI

TUCHO DE VÁLVULA QUE SE AJUSTA HIDRAULICAMENTE DE MODO AUTOMÁTICO

PublicadaInvention Patent

Application data

Number

PI8901793

Type

Invention Patent

Filing

04/14/1989

Publication

11/28/1989

Progress at the INPI

  1. Filing04/14/89
  2. Publication11/28/89
  3. Examination10/09/90
  4. Allowance03/17/92
  5. Grant02/24/93
  6. Terminated10/24/95

The patent was granted on 02/24/1993 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. K. (pessoa física)

DE

See this company's full portfolio

Inventors

G. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3812333.9 · 04/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

02/24/1993

RPI 1160

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Republicação - classificação IPC

#15.11

05/19/1992

RPI 1120

Deferimento

#9.1

03/17/1992

RPI 1111

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

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