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Official data from INPI

PROCESSO PARA A APLICAÇÃO DE UM AGENTE DE TRATAMENTO A UM SUBSTRATO PERMEÁVEL A AR

Em AnáliseInvention Patent

Application data

Number

PI8600395

Type

Invention Patent

Filing

01/31/1986

Publication

10/14/1986

Progress at the INPI

  1. Filing01/31/86
  2. Publication10/14/86
  3. Examination10/11/88
  4. Allowance11/05/91
  5. Grant08/25/92
  6. Terminated09/26/95

The patent was granted on 08/25/1992 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

See this company's full portfolio

Inventors

A. L. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

GB

8502644 · 02/01/1985

GB

8510296 · 04/23/1985

GB

8530710 · 12/13/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

10/14/1986

RPI 834

Pedido de patente depositado

#2.1

07/22/1986

RPI 822

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

03/17/1992

RPI 1111

Deferimento

#9.1

11/05/1991

RPI 1092

Exigência - art. 36 da LPI

#6.1

05/14/1991

RPI 1067

14.1

06/05/1990

RPI 1021

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