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Official data from INPI

BOMBA DOSADORA

Em AnáliseInvention Patent

Application data

Number

PI8403652

Type

Invention Patent

Filing

07/23/1984

Publication

10/30/1984

Progress at the INPI

  1. Filing07/23/84
  2. Publication10/30/84
  3. Examination01/08/85
  4. Allowance08/11/87
  5. Grant06/28/88
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Woerner Sistemas de Lubrificação Ltda.

SP, BR

See this company's full portfolio

Inventors

A. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

09/19/1989

RPI 987

Pedido de licença voluntária

#17.1

01/03/1989

RPI 950

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

01/08/1985

RPI 742

Publicação antecipada

#3.2

10/30/1984

RPI 732

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Carta-patente expirada

#21.1

Patente extinta em 23/07/99

07/08/2008

RPI 1957

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