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Official data from INPI

TUBO FLEXIVEL FLUTUANTE E FITA PERFILADA PARA A REALIZACAO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI7901062

Type

Invention Patent

Filing

02/21/1978

Publication

-

Progress at the INPI

  1. Filing02/21/78
  2. Publication
  3. Examination
  4. Allowance11/29/83
  5. Grant05/29/84
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

COFLEXIP

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Inventors

A. C. (pessoa física)

A. J. (pessoa física)

G. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

02/23/1988

RPI 905

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/29/1983

RPI 684

Exigência - art. 36 da LPI

#6.1

06/28/1983

RPI 662

Exigência - art. 36 da LPI

#6.1

08/10/1982

RPI 616

6.2

01/26/1982

RPI 588

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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