Official data from INPI

DISPOSITIVO PARA PREVINIR O ENROLAMENTO DA FITA SOBRE O CABRESTANTE DE UM EQUIPAMENTO DE FITA E CHASSÍS DE FITA (TAPE DECK)

ConcedidaInvention Patent

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Application data

Number

PI8104791

Type

Invention Patent

Filing

07/24/1981

Publication

04/13/1982

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Progress at the INPI

Filing07/24/81
Publication04/13/82
Examination11/23/82
Allowance12/11/84
Grant05/28/85
Terminated02/04/92

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ford Aerospace & Comunications Corporation

Inventors

T. O. (pessoa física)

Technical data

IPC Classification

G11B 15/28

Priority claims

172.342 · 07/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/11/1984

RPI 738

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

Publicação do pedido de patente

#3.1

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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