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Official data from INPI

PACOTE E CONJUNTO DE ENCHIMENTO DE PELÍCULA PARA TORRES DE RESFRIAMENTO DE ÁGUA

Prazo de SigiloInvention Patent

Application data

Number

PI8804313

Type

Invention Patent

Filing

08/24/1988

Publication

04/10/1990

Progress at the INPI

  1. Filing08/24/88
  2. Publication04/10/90
  3. Examination10/23/90
  4. Allowance06/25/91
  5. Grant03/31/92
  6. Terminated06/25/96

The patent was granted on 03/31/1992 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Marley Cooling Tower Company

US

Inventors

J. J. (pessoa física)

O. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

03/31/1992

RPI 1113

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

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