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Official data from INPI

HIDROCICLONE.

Em AnáliseInvention Patent

Application data

Number

PI8103444

Type

Invention Patent

Filing

06/01/1981

Publication

02/24/1982

Progress at the INPI

  1. Filing06/01/81
  2. Publication02/24/82
  3. Examination06/15/82
  4. Allowance09/25/84
  5. Grant05/28/85
  6. Terminated08/07/90

The patent was granted on 05/28/1985 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: 07/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. O. (pessoa física)

Inventors

M. J. (pessoa física)

V. P. (pessoa física)

Technical data

IPC Classification

Priority claims

FI

801767 · 06/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

07/22/1986

RPI 822

Pedido de licença voluntária

#17.1

03/25/1986

RPI 805

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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