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Official data from INPI

SEM TITULO

Arquivada/ExtintaUtility Model

Application data

Number

MU5801862

Type

Utility Model

Filing

04/20/1978

Publication

-

Progress at the INPI

  1. Filing04/20/78
  2. Publication
  3. Examination02/24/82
  4. Allowance10/30/84
  5. Grant03/26/85
  6. Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. 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).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Concessão da patente

#16.1

03/26/1985

RPI 753

100

10/30/1984

RPI 732

120

05/15/1984

RPI 708

15.10

05/02/1984

RPI 706

Petição de recurso

#12.2

05/10/1983

RPI 655

Indeferimento

#9.2

11/09/1982

RPI 629

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

8.1

01/05/1982

RPI 585

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