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Official data from INPI

MÁQUINA PARA RETIRAR FORRAGEM DE SILOS

PublicadaInvention Patent

Application data

Number

PI8802678

Type

Invention Patent

Filing

06/02/1988

Publication

10/31/1989

Progress at the INPI

  1. Filing06/02/88
  2. Publication10/31/89
  3. Examination07/31/90
  4. Allowance02/18/92
  5. Grant07/27/93
  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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

SP, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 02/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

03/30/1993

RPI 1165

15.15

11/17/1992

RPI 1146

15.5

06/16/1992

RPI 1124

Deferimento

#9.1

02/18/1992

RPI 1107

Exigência - art. 36 da LPI

#6.1

08/20/1991

RPI 1081

Solicitação de exame técnico

#4.1

07/31/1990

RPI 1026

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