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Official data from INPI

INSTALAÇÃO DE PURGA

PublicadaInvention Patent

Application data

Number

PI8902060

Type

Invention Patent

Filing

05/02/1989

Publication

12/05/1989

Progress at the INPI

  1. Filing05/02/89
  2. Publication12/05/89
  3. Examination01/15/91
  4. Allowance03/26/96
  5. Grant03/25/97
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Anton Steinecker Maschinenfabrik GmbH

DE

See this company's full portfolio

Inventors

M. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

G 88 05 811.5 · 05/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Pedido de patente depositado

#2.1

06/13/1989

RPI 973

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C12C 9/02.

03/20/2018

RPI 2463

Carta-patente expirada

#21.1

Patente extinta em 02/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

03/26/1996

RPI 1321

Exigência - art. 36 da LPI

#6.1

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

01/15/1991

RPI 1050

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