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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM CILINDRO SEM EIXO PARA MACERAR ARROZ

Em AnáliseUtility Model

Application data

Number

MU6600639

Type

Utility Model

Filing

04/25/1986

Publication

12/08/1987

Progress at the INPI

  1. Filing04/25/86
  2. Publication12/08/87
  3. Examination03/08/88
  4. Allowance02/05/91
  5. Grant09/24/91
  6. Expired09/17/96

The letters patent expired on 09/17/1996: 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalúrgica Leitzke Ltda.

SC, BR

See this company's full portfolio

Inventors

W. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

03/08/1988

RPI 907

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

01/13/1987

RPI 847

Carta-patente expirada

#21.1

09/17/1996

RPI 1346

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

05/21/1991

RPI 1068

Deferimento

#9.1

02/05/1991

RPI 1053

Exigência - art. 36 da LPI

#6.1

08/14/1990

RPI 1028

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