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Official data from INPI

CILINDRO SEM EIXO PARA MACERAR ARROZ.

Em AnáliseInvention Patent

Application data

Number

PI7802230

Type

Invention Patent

Filing

04/10/1978

Publication

08/19/1980

Progress at the INPI

  1. Filing04/10/78
  2. Publication08/19/80
  3. Examination
  4. Allowance09/21/82
  5. Grant05/31/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 09/25/1984. 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).

336

09/25/1984

RPI 727

201

04/24/1984

RPI 705

Pedido de licença voluntária

#17.1

01/10/1984

RPI 690

Pedido de licença voluntária

#17.1

12/20/1983

RPI 687

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

8.1

03/09/1982

RPI 594

Publicação do pedido de patente

#3.1

08/19/1980

RPI 513

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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