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Official data from INPI

Disposição introduzida em tubos cilíndricos flexíveis

Prazo de SigiloUtility Model

Application data

Number

MU6900315

Type

Utility Model

Filing

02/27/1989

Publication

12/04/1990

Progress at the INPI

  1. Filing02/27/89
  2. Publication12/04/90
  3. Examination04/09/91
  4. Allowance08/16/94
  5. Grant06/27/95
  6. Expired11/20/01

The letters patent expired on 11/20/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westaflex Tubos Flexíveis Ltda

PR, BR

See this company's full portfolio

Inventors

E. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 27/02/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

12/13/1994

RPI 1254

Deferimento

#9.1

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

Publicação do pedido de patente

#3.1

12/04/1990

RPI 1044

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