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Official data from INPI

BLOCO DE COMANDO HIDRÁULICO PARA ACIONAMENTO DO CORTADOR DE BASE E EXAUSTORES DE COLHEITADEIRAS DE CANA DE AÇÚCAR.

DeferidaInvention Patent
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Application data

Number

PI8503969

Type

Invention Patent

Filing

08/20/1985

Publication

12/24/1985
View on INPI

Progress at the INPI

  1. Filing08/20/85
  2. Publication12/24/85
  3. Examination06/17/86
  4. Allowance11/14/89
  5. Grant09/25/90
  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.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engeagro Máquinas e Sistemas Agro Industriais S/A

SP, BR

Inventors

E. R. (pessoa física)

BR

Technical data

IPC Classification

A01D 34/38

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

14.1

11/24/1987

RPI 892

14.4

11/17/1987

RPI 891

14.4

06/30/1987

RPI 871

14.7

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Publicação antecipada

#3.2

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Carta-patente expirada

#21.1

Patente extinta em 20/08/2000

07/15/2008

RPI 1958

Cessão de direito de exploração

#22.1

12/06/1994

RPI 1253

Concessão da patente

#16.1

09/25/1990

RPI 1034

14.1

06/05/1990

RPI 1021

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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