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Official data from INPI

TRANSMISSAO DE RELACAO VARIAVEL

ConcedidaInvention Patent

Application data

Number

PI8207922

Type

Invention Patent

Filing

10/13/1981

Publication

09/20/1983

Progress at the INPI

  1. Filing10/13/81
  2. Publication09/20/83
  3. Examination04/23/85
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated04/18/95

The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HUSTED ROYCE HILL [US]

SHIBER SAMUEL [US]

Inventors

H. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

04/23/1985

RPI 757

Notificação de entrada na fase nacional - PCT

#1.3

09/20/1983

RPI 674

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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