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Official data from INPI

Saco plástico com válvulas.

ConcedidaUtility Model

Application data

Number

MU6100373

Type

Utility Model

Filing

03/25/1981

Publication

-

Progress at the INPI

  1. Filing03/25/81
  2. Publication
  3. Examination11/10/81
  4. Allowance07/31/84
  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

ECAP - Empresa Catarinense de Administração e Participação Ltda.

SC, BR

Inventors

M. R. (pessoa física)

Technical data

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

11/13/1984

RPI 734

Deferimento

#9.1

07/31/1984

RPI 719

8.1

07/03/1984

RPI 715

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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