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Official data from INPI

APARELHO E PROCESSO PARA CONCENTRACAO HIDRO-GRAVIMETRICA DE PARTICULAS E MICROPARTICULAS

Em AnáliseInvention Patent

Application data

Number

PI7804449

Type

Invention Patent

Filing

07/11/1978

Publication

-

Progress at the INPI

  1. Filing07/11/78
  2. Publication
  3. Examination03/02/82
  4. Allowance01/25/83
  5. Grant08/30/83
  6. Terminated06/14/88

The patent was granted on 08/30/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. J. (pessoa física)

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Inventors

A. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

05/31/1983

RPI 658

Republicação - classificação IPC

#15.11

02/22/1983

RPI 644

Deferimento

#9.1

01/25/1983

RPI 640

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

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