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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU5901834

Type

Utility Model

Filing

01/23/1979

Publication

-

Progress at the INPI

  1. Filing01/23/79
  2. Publication
  3. Examination11/03/82
  4. Allowance06/12/84
  5. Grant02/26/85
  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: 02/26/1985. 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

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

15.10

07/24/1984

RPI 718

Deferimento

#9.1

06/12/1984

RPI 712

Conhecimento de parecer técnico

#7.1

09/27/1983

RPI 675

Solicitação de exame técnico

#4.1

11/03/1982

RPI 628

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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