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Official data from INPI

DOSADOR DE LIQUIDOS POR CONTATO

Em AnáliseInvention Patent

Application data

Number

PI8200729

Type

Invention Patent

Filing

02/11/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing02/11/82
  2. Publication10/11/83
  3. Examination12/20/83
  4. Allowance04/16/85
  5. Grant11/26/85
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 06/16/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The West Company Brasil Ltda

SP, BR

West do Brasil Comércio e Indústria Ltda

SP, BR

See this company's full portfolio

Inventors

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

06/16/1987

RPI 869

Cessão de direito de exploração

#22.1

08/05/1986

RPI 824

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

12/20/1983

RPI 687

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

03/30/1982

RPI 597

Carta-patente expirada

#21.1

Patente extinta em 11/02/97

08/19/2008

RPI 1963

20.4

12/19/1995

RPI 1307

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