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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU5901830

Type

Utility Model

Filing

03/23/1979

Publication

-

Progress at the INPI

  1. Filing03/23/79
  2. Publication
  3. Examination11/24/81
  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

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

15.10

02/14/1984

RPI 695

Deferimento

#9.1

01/24/1984

RPI 692

Conhecimento de parecer técnico

#7.1

11/16/1982

RPI 630

Solicitação de exame técnico

#4.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

Licença compulsória (variante)

#20.2

10/16/1990

RPI 1037

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