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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8404503

Type

Invention Patent

Filing

09/10/1984

Publication

02/12/1985

Progress at the INPI

  1. Filing09/10/84
  2. Publication02/12/85
  3. Examination05/07/85
  4. Allowance08/11/87
  5. Grant03/29/88
  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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

McQuay do Brasil Indústria e Comércio S/A

SP, BR

Inventors

Z. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/19/1988

RPI 926

Concessão da patente

#16.1

03/29/1988

RPI 910

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

05/07/1985

RPI 759

Publicação antecipada

#3.2

02/12/1985

RPI 747

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

Carta-patente expirada

#21.1

Patente extinta em 10/09/99

07/08/2008

RPI 1957

20.4

05/08/1990

RPI 1017

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