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Official data from INPI

APERFEIÇOAMENTOS NO ACIONAMENTO DE SEMEADORAS-ADUBADORAS.

Em AnáliseInvention Patent

Application data

Number

PI8402286

Type

Invention Patent

Filing

05/11/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing05/11/84
  2. Publication08/13/85
  3. Examination12/03/85
  4. Allowance12/16/86
  5. Grant09/25/90
  6. Expired07/08/08

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

Applicants and inventors

Applicants

Marchesan Implementos e Máquinas Agrícolas "Tatu" S/A

SP, BR

See this company's full portfolio

Inventors

L. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

110

08/08/1989

RPI 981

Recurso

#12.1

04/14/1987

RPI 860

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação antecipada

#3.2

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

05/28/1985

RPI 762

Carta-patente expirada

#21.1

Patente extinta em 11/05/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

09/25/1990

RPI 1034

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