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Official data from INPI

PROPULSOR PARA BOMBA CENTRÍFUGA

ConcedidaInvention Patent

Application data

Number

PI8403492

Type

Invention Patent

Filing

07/12/1984

Publication

06/25/1985

Progress at the INPI

  1. Filing07/12/84
  2. Publication06/25/85
  3. Examination12/10/85
  4. Allowance12/16/86
  5. Grant08/25/87
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Warman International Limited

AU

See this company's full portfolio

Inventors

A. G. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PG 282 · 07/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

12/10/1985

RPI 790

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

09/25/1984

RPI 727

Carta-patente expirada

#21.1

Patente extinta em 12/07/99

07/08/2008

RPI 1957

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