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Official data from INPI

DISPOSITIVO OCLUSOR DA LUZ INTERNA DE ESTACAS TUBULARES PARA FUNDAÇÕES SUBMARINAS

Em AnáliseInvention Patent

Application data

Number

PI8801168

Type

Invention Patent

Filing

03/11/1988

Publication

10/25/1988

Progress at the INPI

  1. Filing03/11/88
  2. Publication10/25/88
  3. Examination10/31/89
  4. Allowance12/10/91
  5. Grant11/24/92
  6. Terminated10/24/95

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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Riva Calzoni S.p.A

IT

Inventors

O. S. (pessoa física)

IT

R. F. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19714 A/87 · 03/16/1987

IT

20361 A/87 · 05/04/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Publicação do pedido de patente

#3.1

10/25/1988

RPI 940

Pedido de patente depositado

#2.1

07/12/1988

RPI 925

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

05/05/1992

RPI 1118

Deferimento

#9.1

12/10/1991

RPI 1097

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