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Official data from INPI

CIRCUITO ELÉTRICO PARA EMPREGO EM UM DISPOSITIVO DE REFRIGERAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8701523

Type

Invention Patent

Filing

04/03/1987

Publication

01/19/1988

Progress at the INPI

  1. Filing04/03/87
  2. Publication01/19/88
  3. Examination05/31/88
  4. Allowance08/06/91
  5. Grant05/26/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

King-Seeley Thermos, Co.

US

Scotsman Group, Inc

US

Inventors

L. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

847.917 · 04/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/31/1988

RPI 919

Publicação do pedido de patente

#3.1

01/19/1988

RPI 900

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 03/04/2002

07/29/2008

RPI 1960

20.11

08/31/1993

RPI 1187

20.11

06/22/1993

RPI 1177

Pedido de licença compulsória

#20.1

05/04/1993

RPI 1170

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/03/1991

RPI 1096

Republicação - classificação IPC

#15.11

11/19/1991

RPI 1094

Deferimento

#9.1

08/06/1991

RPI 1079

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