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Official data from INPI

MARCADOR DE FILEIRA PARA EMPREGO COM UM IMPLEMENTO PLANTADOR

Em ExigênciaInvention Patent

Application data

Number

PI8501294

Type

Invention Patent

Filing

03/22/1985

Publication

11/19/1985

Progress at the INPI

  1. Filing03/22/85
  2. Publication11/19/85
  3. Examination12/22/87
  4. Allowance02/06/90
  5. Grant11/27/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

US

See this company's full portfolio

Inventors

G. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

592.521 · 03/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/22/1989

RPI 983

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Publicação do pedido de patente

#3.1

11/19/1985

RPI 787

Pedido de patente depositado

#2.1

06/11/1985

RPI 764

Carta-patente expirada

#21.1

Patente extinta em 22/03/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

05/29/1990

RPI 1020

Deferimento

#9.1

02/06/1990

RPI 1005

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