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Official data from INPI

APARELHO COM MÚLTIPLOS HIDROCICLONES.

ConcedidaInvention Patent

Application data

Number

PI8300840

Type

Invention Patent

Filing

02/22/1983

Publication

11/16/1983

Progress at the INPI

  1. Filing02/22/83
  2. Publication11/16/83
  3. Examination04/17/84
  4. Allowance04/09/85
  5. Grant10/01/85
  6. Terminated04/18/95

The patent was granted on 10/01/1985 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clark & Vicario Corporation (US)

Inventors

K. J. (pessoa física)

M. S. (pessoa física)

S. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

365.773 · 04/05/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

04/17/1984

RPI 704

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

Pedido de licença compulsória

#20.1

03/24/1992

RPI 1112

20.4

03/17/1992

RPI 1111

20.3

10/22/1991

RPI 1090

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