Official data from INPI

APERFEICOAMENTOS EM GRAMPO DE RETENCAO E CONEXAO DE FIOS

ConcedidaUtility Model

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Application data

Number

MU5900510

Type

Utility Model

Filing

04/17/1979

Publication

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Progress at the INPI

Filing04/17/79
Publication
Examination
Allowance03/08/83
Grant11/29/83
Expired02/22/94

The letters patent expired on 02/22/1994: 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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WALMA SA

Inventors

M. F. (pessoa física)

Technical data

IPC Classification

H01R 11/24

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

06/28/1983

RPI 662

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

02/22/1994

RPI 1212

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