Official data from INPI

APARELHO PARA REMOCAO DO EXCESSO DE LIQUIDO DE REVESTIMENTO DE UMA TIRA EM MOVIMENTO ASCENDENTE

ConcedidaInvention Patent

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Application data

Number

PI8106290

Type

Invention Patent

Filing

01/21/1981

Publication

09/08/1982

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Progress at the INPI

Filing01/21/81
Publication09/08/82
Examination10/16/84
Allowance08/04/87
Grant02/23/88
Expired08/19/08

The letters patent expired on 08/19/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LYSAGHT LTD JOHN [AU]

Inventors

B. C. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

08/04/1987

RPI 876

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

10/16/1984

RPI 730

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

Carta-patente expirada

#21.1

Patente extinta em 30/09/96

08/19/2008

RPI 1963

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