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Official data from INPI

CORTADEIRA E COLHEDEIRA DE CANA DE AÇÚCAR.

Em AnáliseInvention Patent

Application data

Number

PI8305505

Type

Invention Patent

Filing

09/30/1983

Publication

02/26/1985

Progress at the INPI

  1. Filing09/30/83
  2. Publication02/26/85
  3. Examination05/06/86
  4. Allowance02/17/87
  5. Grant11/24/87
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Penha de Máquinas Agrícolas - COPEMAG

SP, BR

See this company's full portfolio

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

09/19/1989

RPI 987

Pedido de licença voluntária

#17.1

08/23/1988

RPI 931

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

06/23/1987

RPI 870

Deferimento

#9.1

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação antecipada

#3.2

02/26/1985

RPI 749

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

Carta-patente expirada

#21.1

Patente extinta em 30/09/98

07/01/2008

RPI 1956

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