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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU5901858

Type

Utility Model

Filing

07/25/1979

Publication

-

Progress at the INPI

  1. Filing07/25/79
  2. Publication
  3. Examination01/11/83
  4. Allowance02/12/86
  5. Grant08/26/86
  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: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

15.10

06/25/1985

RPI 766

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Conhecimento de parecer técnico

#7.1

07/12/1983

RPI 664

Solicitação de exame técnico

#4.1

01/11/1983

RPI 638

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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