Official data from INPI

ENTRADA DE CORDÀO EM TELEFONES PÚBLICOS

Arquivada/ExtintaUtility Model

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Application data

Number

MU6901981

Type

Utility Model

Filing

10/02/1989

Publication

09/04/1990

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Progress at the INPI

Filing10/02/89
Publication09/04/90
Examination02/05/91
Allowance06/09/92
Grant03/30/93
Expired11/20/01

The letters patent expired on 11/20/2001: 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: 11/20/2001. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

No applicants.

Inventors

D. L. (pessoa física)

Technical data

IPC Classification

H04M 1/15

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/10/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

10/27/1992

RPI 1143

Deferimento

#9.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

02/05/1991

RPI 1053

14.4

09/25/1990

RPI 1034

Publicação antecipada

#3.2

09/04/1990

RPI 1031

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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