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Official data from INPI

BOMBA E PROCESSO DE SIMULTANEMANTE BOMBEAR E DESGASEIFICAR UMA SUSPENSÃO

Em AnáliseInvention Patent

Application data

Number

PI8803341

Type

Invention Patent

Filing

07/05/1988

Publication

01/17/1989

Progress at the INPI

  1. Filing07/05/88
  2. Publication01/17/89
  3. Examination05/16/89
  4. Allowance06/25/91
  5. Grant03/31/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kamyr AB

SE

See this company's full portfolio

Inventors

J. G. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

US

070.220 · 07/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

01/17/1989

RPI 952

Pedido de patente depositado

#2.1

12/06/1988

RPI 946

Carta-patente expirada

#21.1

Patente extinta em 05/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/31/1992

RPI 1113

Republicação - classificação IPC

#15.11

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

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