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Official data from INPI

APERFEIÇOAMENTO EM IMPLEMENTO AGRÍCOLA PARA CARREGAMENTO DE CANA DE AÇÚCAR

ConcedidaInvention Patent

Application data

Number

PI8302267

Type

Invention Patent

Filing

05/03/1983

Publication

08/23/1983

Progress at the INPI

  1. Filing05/03/83
  2. Publication08/23/83
  3. Examination12/13/83
  4. Allowance06/18/85
  5. Grant02/04/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Santal Equipamentos S/A Comércio e Indústria

SP, BR

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Inventors

P. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

10/01/1985

RPI 780

Deferimento

#9.1

06/18/1985

RPI 765

Solicitação de exame técnico

#4.1

12/13/1983

RPI 686

Publicação antecipada

#3.2

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

Patente extinta em 03/05/98

07/01/2008

RPI 1956

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