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Official data from INPI

FECHO AUTOMATICO

Em AnáliseUtility Model

Application data

Number

MU5900215

Type

Utility Model

Filing

02/16/1979

Publication

-

Progress at the INPI

  1. Filing02/16/79
  2. Publication
  3. Examination
  4. Allowance07/03/84
  5. Grant12/31/85
  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: 09/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOULD SOPRANO SA

Inventors

M. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

09/23/1986

RPI 831

Concessão da patente

#16.1

12/31/1985

RPI 793

11.7

11/12/1985

RPI 786

Arquivamento - Art. 38 §2° da LPI

#11.4

06/11/1985

RPI 764

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/03/1984

RPI 715

8.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

05/10/1983

RPI 655

15.0

08/17/1982

RPI 617

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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