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Official data from INPI

DISPOSITIVO PARA ALIMENTAÇÃO DE UM LÍQUIDO EM UM DEPÓSITO ALONGADO DE LÍQUIDO

PublicadaInvention Patent

Application data

Number

PI8805185

Type

Invention Patent

Filing

10/07/1988

Publication

05/23/1989

Progress at the INPI

  1. Filing10/07/88
  2. Publication05/23/89
  3. Examination01/23/90
  4. Allowance09/19/95
  5. Grant04/30/96
  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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eduard Kusters Maschinenfabrik GmbH & Co. KG

DE

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Inventors

J. K. (pessoa física)

DE

W. K. (pessoa física)

DE

Technical data

Priority claims

DE

P 37 33 996.6 · 10/08/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/23/1989

RPI 970

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 07/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

12/13/1994

RPI 1254

Solicitação de exame técnico

#4.1

01/23/1990

RPI 1003

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