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Official data from INPI

PURIFICADOR ELETROSTÁTICO DE AR

Em AnáliseInvention Patent

Application data

Number

PI8800305

Type

Invention Patent

Filing

01/27/1988

Publication

05/10/1988

Progress at the INPI

  1. Filing01/27/88
  2. Publication05/10/88
  3. Examination01/10/89
  4. Allowance07/16/91
  5. Grant05/26/92
  6. Terminated12/31/96

The patent was granted on 05/26/1992 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aletron Produtos Químicos Ltda.

SP, BR

Inventors

T. E. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/10/1989

RPI 951

Solicitação de exame não realizada

#4.2

09/20/1988

RPI 935

Publicação antecipada

#3.2

05/10/1988

RPI 916

Pedido de patente depositado

#2.1

04/26/1988

RPI 914

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

11/12/1991

RPI 1093

Deferimento

#9.1

07/16/1991

RPI 1076

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