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Official data from INPI

PROCESSO PARA DETERMINAÇÃO DAS COORDENADAS DE UM RECEPTOR REMOTO COM RELAÇÃO AUM RECPTOR DE REFERÊNCIA DOTADO DE COORDENADAS CONHECIDAS

Em AnáliseInvention PatentPCT · US1987000948

Application data

Number

PI8707281

Type

Invention Patent

Filing

04/30/1987

Publication

06/14/1988

PCT

US1987000948

Progress at the INPI

  1. Filing04/30/87
  2. Publication06/14/88
  3. Examination11/08/88
  4. Allowance12/10/91
  5. Grant11/24/92
  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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Magnavox Government and Industrial Electronics Company

US

Inventors

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

858.206 · 05/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/08/1988

RPI 942

Notificação de entrada na fase nacional - PCT

#1.3

06/14/1988

RPI 921

Carta-patente expirada

#21.1

Patente extinta em 30/04/2002

07/29/2008

RPI 1960

20.4

06/14/1994

RPI 1228

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

05/05/1992

RPI 1118

Deferimento

#9.1

12/10/1991

RPI 1097

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