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Official data from INPI

SEMEADEIRA-ADUBADEIRA.

Em ExigênciaInvention Patent

Application data

Number

PI8503788

Type

Invention Patent

Filing

08/09/1985

Publication

03/17/1987

Progress at the INPI

  1. Filing08/09/85
  2. Publication03/17/87
  3. Examination05/26/87
  4. Allowance02/06/90
  5. Grant02/13/91
  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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Baldan Implementos Agrícolas S/A

SP, BR

See this company's full portfolio

Inventors

O. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/08/1989

RPI 981

Conhecimento de parecer técnico

#7.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

05/26/1987

RPI 866

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

Carta-patente expirada

#21.1

Patente extinta em 09/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/13/1991

RPI 1054

110

10/09/1990

RPI 1036

Recurso

#12.1

05/15/1990

RPI 1018

Deferimento

#9.1

02/06/1990

RPI 1005

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