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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8204709

Type

Invention Patent

Filing

08/11/1982

Publication

12/14/1982

Progress at the INPI

  1. Filing08/11/82
  2. Publication12/14/82
  3. Examination02/08/83
  4. Allowance08/06/85
  5. Grant04/29/86
  6. Terminated12/20/94

The patent was granted on 04/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunições de Minas Gerais S/A Telemig Firma Brasileira de Prestação De Serviços

MG, BR

Inventors

D. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Republicação - classificação IPC

#15.11

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

02/08/1983

RPI 642

Publicação antecipada

#3.2

12/14/1982

RPI 634

Pedido de patente depositado

#2.1

09/28/1982

RPI 623

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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