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Official data from INPI

UNIAO DAS PARTES DE GRADES DE PROTECAO DAS PAS DE VENTILADORES

ConcedidaUtility Model

Application data

Number

MU6200528

Type

Utility Model

Filing

04/22/1982

Publication

11/29/1983

Progress at the INPI

  1. Filing04/22/82
  2. Publication11/29/83
  3. Examination02/14/84
  4. Allowance07/09/85
  5. Grant02/04/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VESPER IND E COMERCIO DE APARE [BR]

Inventors

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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