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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6001782

Type

Utility Model

Filing

05/21/1980

Publication

01/19/1982

Progress at the INPI

  1. Filing05/21/80
  2. Publication01/19/82
  3. Examination04/20/82
  4. Allowance01/24/84
  5. Grant08/28/84
  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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

8.1

10/11/1983

RPI 677

15.10

09/13/1983

RPI 673

Exigência - art. 36 da LPI

#6.1

05/03/1983

RPI 654

Solicitação de exame técnico

#4.1

04/20/1982

RPI 600

Publicação do pedido de patente

#3.1

01/19/1982

RPI 587

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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