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Official data from INPI

CASSETE DE FITA, ESPECIALMENTE CASSETE DE FITA MAGNÉTICA COM JANELA DE INSPEÇÃO.

ConcedidaUtility Model

Application data

Number

MU6201133

Type

Utility Model

Filing

08/23/1982

Publication

03/20/1984

Progress at the INPI

  1. Filing08/23/82
  2. Publication03/20/84
  3. Examination07/15/86
  4. Allowance03/15/88
  5. Grant09/27/88
  6. Expired11/15/94

The letters patent expired on 11/15/1994: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

See this company's full portfolio

Inventors

H. G. (pessoa física)

L. E. (pessoa física)

W. J. (pessoa física)

Technical data

Priority claims

DE

G 81 24 877.6 · 08/26/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

Solicitação de exame técnico

#4.1

07/15/1986

RPI 821

Publicação do pedido de patente

#3.1

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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