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Official data from INPI

APARELHO PARA APLICAÇÃO DE MANTA PRÉ-FABRICADA PARA IMPERMEABILIZAÇÃO

PublicadaInvention Patent

Application data

Number

PI8901048

Type

Invention Patent

Filing

03/07/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/07/89
  2. Publication10/31/89
  3. Examination05/08/90
  4. Allowance01/18/94
  5. Grant11/29/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Denver Indústria e Comércio Ltda

SP, BR

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Carta-patente expirada

#21.1

Patente extinta em 07/03/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

05/08/1990

RPI 1017

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