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Official data from INPI

SISTEMA DE TRATAMENTO DE ÁGUA

Em AnáliseInvention Patent

Application data

Number

PI8406505

Type

Invention Patent

Filing

04/06/1984

Publication

03/12/1985

Progress at the INPI

  1. Filing04/06/84
  2. Publication03/12/85
  3. Examination10/06/87
  4. Allowance08/01/89
  5. Grant04/24/90
  6. Terminated09/12/95

The patent was granted on 04/24/1990 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. I. (pessoa física)

US

See this company's full portfolio

Inventors

T. D. (pessoa física)

US

Technical data

Priority claims

US

483.436 · 04/08/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/28/1989

RPI 997

Deferimento

#9.1

08/01/1989

RPI 980

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Exigência - art. 36 da LPI

#6.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

11.8

08/11/1987

RPI 877

Retificação

#15.3

06/09/1987

RPI 868

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

Concessão da patente

#16.1

04/24/1990

RPI 1015

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