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Official data from INPI

IMPLEMENTOS AGRÍCOLA PARA EXTRAIR E RECOLHER TUBÉRCULOS EM GERAL.

Em AnáliseInvention Patent

Application data

Number

PI8004473

Type

Invention Patent

Filing

07/18/1980

Publication

03/16/1982

Progress at the INPI

  1. Filing07/18/80
  2. Publication03/16/82
  3. Examination06/22/82
  4. Allowance01/31/84
  5. Grant08/28/84
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. J. (pessoa física)

SP, BR

Instituto de Pesquidas Tecnologica de São Paulo S.A. IPT

SP, BR

Inventors

J. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/05/1988

RPI 924

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

06/22/1982

RPI 609

Publicação do pedido de patente

#3.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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