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Official data from INPI

PAREDE DE RECIPIENTE DE ABERTURA FÁCIL E PROCESSO PARA FORMAÇÃO DA MESMA.

Em ExigênciaInvention Patent

Application data

Number

PI8406463

Type

Invention Patent

Filing

03/19/1984

Publication

03/12/1985

Progress at the INPI

  1. Filing03/19/84
  2. Publication03/12/85
  3. Examination06/25/85
  4. Allowance05/08/90
  5. Grant11/27/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elpatronic Ag

CH

See this company's full portfolio

Inventors

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

479.160 · 03/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/28/1989

RPI 997

14.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Carta-patente expirada

#21.1

Patente extinta em 19/03/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/08/1990

RPI 1017

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