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Official data from INPI

PROCESSO PARA PROVOCAR A SEDIMENTAÇÃO DE MATERIAL SÓLIDO SEDIMENTÁRIO TRANSPORTADO EM UM CORPO DE ÁGUA, TAL COMO UM LAGO, MAR OU OCEANO.

ConcedidaInvention Patent

Application data

Number

PI8307562

Type

Invention Patent

Filing

10/06/1983

Publication

08/28/1984

Progress at the INPI

  1. Filing10/06/83
  2. Publication08/28/84
  3. Examination05/05/87
  4. Allowance03/28/89
  5. Grant09/26/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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

Danmarks Geoteknniske Institut

DK

Inventors

H. V. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

DK

4474/82 · 10/08/1982

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

07/18/1989

RPI 978

Deferimento

#9.1

03/28/1989

RPI 962

Conhecimento de parecer técnico

#7.1

01/19/1988

RPI 900

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Notificação de entrada na fase nacional - PCT

#1.3

08/28/1984

RPI 723

Carta-patente expirada

#21.1

Patente extinta em 06/10/98

07/01/2008

RPI 1956

22.2

10/21/1997

RPI 1403

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