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Official data from INPI

MÁQUINA DE PRODUZIR MARAVALHA

ConcedidaInvention Patent

Application data

Number

PI8206221

Type

Invention Patent

Filing

10/20/1982

Publication

03/22/1983

Progress at the INPI

  1. Filing10/20/82
  2. Publication03/22/83
  3. Examination08/23/83
  4. Allowance12/02/86
  5. Grant07/28/87
  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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. V. (pessoa física)

RS, BR

Dileto Volpato Máquinas Agrícolas Ltda

RS, BR

Inventors

D. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

12/02/1986

RPI 841

Exigência - art. 36 da LPI

#6.1

10/01/1985

RPI 780

6.4

06/18/1985

RPI 765

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação antecipada

#3.2

03/22/1983

RPI 648

Pedido de patente depositado

#2.1

12/21/1982

RPI 635

Carta-patente expirada

#21.1

Patente extinta em 20/10/97

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

08/11/1992

RPI 1132

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