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Official data from INPI

TAPETE AUTODESINFETANTE E PROCESSO PARA SUA PRODUÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8207429

Type

Invention Patent

Filing

12/22/1982

Publication

07/31/1984

Progress at the INPI

  1. Filing12/22/82
  2. Publication07/31/84
  3. Examination07/08/86
  4. Allowance05/29/90
  5. Grant11/27/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chemmar Associates, Inc.

US

Inventors

R. M. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

07/08/1986

RPI 820

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

02/16/1983

RPI 643

Carta-patente expirada

#21.1

Patente extinta em 22/12/97

07/01/2008

RPI 1956

14.1

07/30/1991

RPI 1078

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/29/1990

RPI 1020

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