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Official data from INPI

SISTEMA PICADOR/ELEVADOR/LIMPADOR DE CANA DE AÇÚCAR

Prazo de SigiloInvention Patent

Application data

Number

PI8902829

Type

Invention Patent

Filing

05/22/1989

Publication

11/27/1990

Progress at the INPI

  1. Filing05/22/89
  2. Publication11/27/90
  3. Examination02/19/91
  4. Allowance10/26/93
  5. Grant08/30/94
  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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S.L. Empreendimentos S/C Ltda

SP, BR

Inventors

L. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 22/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/26/1993

RPI 1195

6.5

06/01/1993

RPI 1174

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

02/19/1991

RPI 1055

Publicação do pedido de patente

#3.1

11/27/1990

RPI 1043

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