Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI8103984

Type

Invention Patent

Filing

06/24/1981

Publication

02/01/1983

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Progress at the INPI

Filing06/24/81
Publication02/01/83
Examination10/23/84
Allowance07/09/85
Grant03/25/86
Expired10/08/96

The letters patent expired on 10/08/1996: 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. R. (pessoa física)

MG, BR

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

3.4

04/19/1983

RPI 652

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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