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Official data from INPI

CONJUNTO DE BOCAL E PROCESSO DE DISPERSÃO DE FLUÍDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002586

Type

Invention Patent

Filing

05/31/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing05/31/90
  2. Publication08/20/91
  3. Examination11/24/92
  4. Allowance05/17/94
  5. Grant03/28/95
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Her Majesty The Queen In Right Of New Zealand

NZ

Inventors

D. C. (pessoa física)

NZ

Technical data

IPC Classification

Priority claims

NZ

229355 · 05/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/05/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

09/27/1994

RPI 1243

Deferimento

#9.1

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/09/1990

RPI 1036

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