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Official data from INPI

VÁLVULA DE INVIOLABILIDADE PARA GARRAFAS

Em AnáliseUtility Model

Application data

Number

MU6000002

Type

Utility Model

Filing

01/03/1980

Publication

-

Progress at the INPI

  1. Filing01/03/80
  2. Publication
  3. Examination05/31/83
  4. Allowance11/13/84
  5. Grant08/27/85
  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: 08/12/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Heleny S.A Indústria e Comércio de Embalagens

SP, BR

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/12/1986

RPI 825

20.7

08/12/1986

RPI 825

20.4

07/29/1986

RPI 823

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

05/15/1984

RPI 708

Pedido de certificado de adição de invenção

#5.1

10/11/1983

RPI 677

Solicitação de exame técnico

#4.1

05/31/1983

RPI 658

Solicitação de exame não realizada

#4.2

12/07/1982

RPI 633

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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