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Official data from INPI

PROCESSO E APARELHO PARA MEDIR OPTICAMENTE FREQUÊNCIA DE ENCRESPAMENTO.

Em AnáliseInvention Patent

Application data

Number

PI8100421

Type

Invention Patent

Filing

01/27/1981

Publication

-

Progress at the INPI

  1. Filing01/27/81
  2. Publication
  3. Examination10/04/83
  4. Allowance07/10/84
  5. Grant02/26/85
  6. Terminated08/23/94

The patent was granted on 02/26/1985 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: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fiber Industries, inc.

See this company's full portfolio

Inventors

C. M. (pessoa física)

H. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

118.260 · 02/04/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

09/02/1986

RPI 828

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

14.1

08/07/1984

RPI 720

Deferimento

#9.1

07/10/1984

RPI 716

8.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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