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Official data from INPI

DISPOSITIVO DE AREJAMENTO PARA LÍQUIDOS

Em AnáliseInvention Patent

Application data

Number

PI8602601

Type

Invention Patent

Filing

06/04/1986

Publication

02/03/1987

Progress at the INPI

  1. Filing06/04/86
  2. Publication02/03/87
  3. Examination02/08/89
  4. Allowance05/28/91
  5. Grant12/31/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Heinrich Frings GmbH & Co. Kg.

DE

Heinrich Frings GmbH & Co., Kg.

DE

Inventors

H. E. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 1696/85 · 06/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/08/1989

RPI 955

Publicação do pedido de patente

#3.1

02/03/1987

RPI 850

Pedido de patente depositado

#2.1

12/09/1986

RPI 842

Carta-patente expirada

#21.1

Patente extinta em 04/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

12/31/1991

RPI 1100

Republicação - classificação IPC

#15.11

11/12/1991

RPI 1093

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

Deferimento

#9.1

05/28/1991

RPI 1069

Exigência - art. 36 da LPI

#6.1

08/21/1990

RPI 1029

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