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Official data from INPI

APERFEICOAMENTO EM APARELHO SIMULADOR DE COAGULACAO,FLOTACAO DE FLOCULACAO

ConcedidaInvention Patent

Application data

Number

PI8304979

Type

Invention Patent

Filing

09/14/1983

Publication

04/23/1985

Progress at the INPI

  1. Filing09/14/83
  2. Publication04/23/85
  3. Examination09/03/85
  4. Allowance06/21/88
  5. Grant02/28/89
  6. Terminated02/18/92

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INSTR TECNICOS CIENTIFICOS POL [BR]

Inventors

S. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Exigência - art. 36 da LPI

#6.1

01/19/1988

RPI 900

14.11

03/04/1987

RPI 854

14.7

11/11/1986

RPI 838

14.1

11/04/1986

RPI 837

Solicitação de exame técnico

#4.1

09/03/1985

RPI 776

Publicação do pedido de patente

#3.1

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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