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Official data from INPI

VALVULA PARA PNEUMATICOS DE BICICLETAS E SIMILARES

ConcedidaUtility Model

Application data

Number

MU6301639

Type

Utility Model

Filing

11/01/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing11/01/83
  2. Publication04/17/84
  3. Examination11/13/84
  4. Allowance02/17/87
  5. Grant11/24/87
  6. Expired09/27/94

The letters patent expired on 09/27/1994: 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VALVULAS SCHURADER DO BRASIL S [BR]

Inventors

P. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

06/23/1987

RPI 870

Deferimento

#9.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Solicitação de exame técnico

#4.1

11/13/1984

RPI 734

Publicação antecipada

#3.2

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

01/10/1984

RPI 690

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

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