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Official data from INPI

MÁQUINA PRODUTORA DE GELO

Em ExigênciaInvention Patent

Application data

Number

PI8506853

Type

Invention Patent

Filing

07/17/1985

Publication

09/23/1986

Progress at the INPI

  1. Filing07/17/85
  2. Publication09/23/86
  3. Examination04/05/88
  4. Allowance03/05/91
  5. Grant11/26/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sunwell Engineering Company Limited

CA

Inventors

V. G. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

631.952 · 07/17/1984

US

739.225 · 05/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Notificação de entrada na fase nacional - PCT

#1.3

09/23/1986

RPI 831

Carta-patente expirada

#21.1

Patente extinta em 17/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

06/18/1991

RPI 1072

Deferimento

#9.1

03/05/1991

RPI 1057

Exigência - art. 36 da LPI

#6.1

01/23/1990

RPI 1003

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