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Official data from INPI

DISPOSITIVO PARA SOLTAR CARGAS EXTERNAS DE AERONAVES

ConcedidaUtility Model

Application data

Number

MU6301538

Type

Utility Model

Filing

10/20/1983

Publication

05/28/1985

Progress at the INPI

  1. Filing10/20/83
  2. Publication05/28/85
  3. Examination04/28/87
  4. Allowance03/15/88
  5. Grant11/29/88
  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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MESSERSCHMITT BOELKOW BLOHM [DE]

Inventors

B. W. (pessoa física)

H. H. (pessoa física)

P. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

01/10/1984

RPI 690

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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