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Official data from INPI

PRENDEDOR DE PAPEL

ConcedidaUtility Model

Application data

Number

MU6300611

Type

Utility Model

Filing

05/11/1983

Publication

12/26/1984

Progress at the INPI

  1. Filing05/11/83
  2. Publication12/26/84
  3. Examination05/13/86
  4. Allowance02/17/87
  5. Grant08/25/87
  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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IVAN OCHSENHOFER [BR]

Inventors

O. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

06/23/1987

RPI 870

Deferimento

#9.1

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Publicação do pedido de patente

#3.1

12/26/1984

RPI 740

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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