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Official data from INPI

BARCAÇA ARTICULADA E PROCESSO PARA REBOCAR E LANÇAR ESTRUTURAS OFFSHORE

Em AnáliseInvention Patent

Application data

Number

PI8600970

Type

Invention Patent

Filing

03/06/1986

Publication

06/02/1987

Progress at the INPI

  1. Filing03/06/86
  2. Publication06/02/87
  3. Examination02/17/88
  4. Allowance01/09/90
  5. Grant08/28/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

McDermott International, Inc.

US

See this company's full portfolio

Inventors

N. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

775.113 · 09/11/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

02/17/1988

RPI 904

Publicação do pedido de patente

#3.1

06/02/1987

RPI 867

Pedido de patente depositado

#2.1

10/21/1986

RPI 835

2.3

10/21/1986

RPI 835

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 06/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/01/1990

RPI 1016

Deferimento

#9.1

01/09/1990

RPI 1001

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