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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVOS LIMITADORES DE TORQUE PARA IMPLEMENTOS AGRÍCOLAS.

PublicadaInvention Patent

Application data

Number

PI8801595

Type

Invention Patent

Filing

03/29/1988

Publication

10/31/1989

Progress at the INPI

  1. Filing03/29/88
  2. Publication10/31/89
  3. Examination06/25/91
  4. Allowance06/09/92
  5. Grant04/27/93
  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

Cooperativa de Produtores de Cana, Açúcar e Álcool do Estado de São Paulo Ltda. - COPERSUCAR

SP, BR

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Inventors

J. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

08/02/1988

RPI 928

Carta-patente expirada

#21.1

Patente extinta em 29/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

10/27/1992

RPI 1143

Deferimento

#9.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

06/25/1991

RPI 1073

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