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Official data from INPI

DESINTUPIDOR DE PIAS E SIMILARES.

ConcedidaInvention Patent

Application data

Number

PI8103692

Type

Invention Patent

Filing

06/11/1981

Publication

01/18/1983

Progress at the INPI

  1. Filing06/11/81
  2. Publication01/18/83
  3. Examination10/04/83
  4. Allowance08/13/85
  5. Grant03/25/86
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wanflex Indústria e Comércio de Artefatos de Plásticos Ltda.

SP, BR

Inventors

L. T. (pessoa física)

N. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Publicação do pedido de patente

#3.1

01/18/1983

RPI 639

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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