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Official data from INPI

APARELHO DE PENEIRAMENTO PRESSURIZADO E PROCESSO DE ACUMULO E REMOCAO DE CONTAMINANTES NO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8000367

Type

Invention Patent

Filing

01/22/1979

Publication

-

Progress at the INPI

  1. Filing01/22/79
  2. Publication
  3. Examination
  4. Allowance03/13/84
  5. Grant09/25/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. C. (pessoa física)

Y. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

Cessão de direito de exploração

#22.1

12/10/1985

RPI 790

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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