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Official data from INPI

PROCESSO PARA OPERAÇÕES SUBMARINAS EM GRANDES PROFUNDIDADES DO MAR

ConcedidaInvention Patent

Application data

Number

PI8407140

Type

Invention Patent

Filing

10/29/1984

Publication

10/08/1985

Progress at the INPI

  1. Filing10/29/84
  2. Publication10/08/85
  3. Examination09/01/87
  4. Allowance08/23/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O.C. Ostlund A/S

NO

Inventors

O. O. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

833924 · 10/27/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Retificação da notificação da fase nacional - PCT

#1.3.1

11/19/1985

RPI 787

Notificação de entrada na fase nacional - PCT

#1.3

10/08/1985

RPI 781

Carta-patente expirada

#21.1

Patente extinta em 29/10/99

07/08/2008

RPI 1957

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