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Official data from INPI

MULILINHAS TTT

Em AnáliseInvention Patent
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Application data

Number

PI7906903

Type

Invention Patent

Filing

10/23/1979

Publication

-
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Progress at the INPI

  1. Filing10/23/79
  2. Publication
  3. Examination04/05/83
  4. Allowance02/04/86
  5. Grant09/30/86
  6. Terminated10/03/89

The patent was granted on 09/30/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

Inventors

B. L. (pessoa física)

Technical data

IPC Classification

H04Q 1/30H04Q 3/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

14.4

01/12/1988

RPI 899

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

04/23/1985

RPI 757

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Republicação - classificação IPC

#15.11

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

04/05/1983

RPI 650

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