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Official data from INPI

APERFEIÇOAMENTO EM CÂMARAS DE SECAGEM PARA SECADORES TERMO-MECÂNICOS DE GRANULADOS VEGETAIS.

ConcedidaInvention Patent

Application data

Number

PI7807302

Type

Invention Patent

Filing

11/01/1978

Publication

-

Progress at the INPI

  1. Filing11/01/78
  2. Publication
  3. Examination07/06/82
  4. Allowance10/18/83
  5. Grant05/29/84
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AGROPECUÁRIA, COMERCIO E REPRESENTAÇÕES VITÓRIA LTDA

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

Deferimento

#9.1

10/18/1983

RPI 678

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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