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Official data from INPI

BOMBA DE VÁCUO COM ANEL D'ÁGUA

Em ExigênciaInvention Patent

Application data

Number

PI8502276

Type

Invention Patent

Filing

05/14/1985

Publication

01/14/1986

Progress at the INPI

  1. Filing05/14/85
  2. Publication01/14/86
  3. Examination03/01/88
  4. Allowance04/24/90
  5. Grant12/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prescant Pty Limited

AU

Inventors

P. G. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AU

PG4969/84 · 05/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Carta-patente expirada

#21.1

Patente extinta em 14/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

04/24/1990

RPI 1015

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