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Official data from INPI

CONDUTO DE AR AJUSTÁVEL PARA CONSERVADOR DE REFRIGERADOR.

ConcedidaInvention Patent

Application data

Number

PI8405438

Type

Invention Patent

Filing

10/25/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/25/84
  2. Publication09/03/85
  3. Examination12/17/85
  4. Allowance07/12/88
  5. Grant02/28/89
  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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

White Consolidated Industries, Inc.

US

See this company's full portfolio

Inventors

D. W. (pessoa física)

R. I. (pessoa física)

Technical data

IPC Classification

Priority claims

US

551.335 · 11/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

Exigência - art. 36 da LPI

#6.1

01/19/1988

RPI 900

14.1

11/04/1986

RPI 837

Solicitação de exame técnico

#4.1

12/17/1985

RPI 791

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

Carta-patente expirada

#21.1

Patente extinta em 25/10/99

07/08/2008

RPI 1957

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