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Official data from INPI

SEM TITULO

Arquivada/ExtintaUtility Model

Application data

Number

MU5801845

Type

Utility Model

Filing

01/23/1978

Publication

-

Progress at the INPI

  1. Filing01/23/78
  2. Publication
  3. Examination
  4. Allowance04/26/83
  5. Grant01/31/84
  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

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

09/20/1983

RPI 674

Deferimento

#9.1

04/26/1983

RPI 653

15.10

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

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