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Official data from INPI

SILO APERFEIÇOADO PARA GRÃOS VEGETAIS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003825

Type

Invention Patent

Filing

07/31/1990

Publication

02/25/1992

Progress at the INPI

  1. Filing07/31/90
  2. Publication02/25/92
  3. Examination05/04/93
  4. Allowance10/10/95
  5. Grant09/24/96
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kepler Weber S/A

RS, BR

Inventors

N. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/07/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

09/24/1996

RPI 1347

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

10/10/1995

RPI 1297

Exigência - art. 36 da LPI

#6.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

05/04/1993

RPI 1170

Publicação do pedido de patente

#3.1

02/25/1992

RPI 1108

Pedido de patente depositado

#2.1

02/13/1991

RPI 1054

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