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Official data from INPI

APARELHO DE DECANTAÇÃO LAMELAR.

PublicadaInvention Patent

Application data

Number

PI8702309

Type

Invention Patent

Filing

05/06/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing05/06/87
  2. Publication02/17/88
  3. Examination05/22/90
  4. Allowance08/02/94
  5. Grant03/28/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Degremont

FR

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Inventors

P. V. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86 06 638 · 05/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Carta-patente expirada

#21.1

Patente extinta em 06/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/29/1994

RPI 1252

Deferimento

#9.1

08/02/1994

RPI 1235

Conhecimento de parecer técnico

#7.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

05/22/1990

RPI 1019

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