Official data from INPI

FECHADURA

ConcedidaInvention Patent

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Application data

Number

PI8204001

Type

Invention Patent

Filing

07/09/1982

Publication

11/30/1982

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Progress at the INPI

Filing07/09/82
Publication11/30/82
Examination06/14/83
Allowance04/16/85
Grant10/29/85
Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Santa Lúcia Cristais Blindex Ltda., firma brasileira

SP, BR

Inventors

J. M. (pessoa física)

L. M. (pessoa física)

Technical data

IPC Classification

E05B 29/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Publicação antecipada

#3.2

11/30/1982

RPI 632

Pedido de patente depositado

#2.1

08/24/1982

RPI 618

Carta-patente expirada

#21.1

Patente extinta em 09/07/97

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

02/13/1991

RPI 1054

20.4

02/05/1991

RPI 1053

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