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Official data from INPI

APARELHAGEM PARA ENROLAR EM ESPIRAL E TRANSPORTAR

Em AnáliseInvention Patent

Application data

Number

PI7602675

Type

Invention Patent

Filing

04/30/1976

Publication

-

Progress at the INPI

  1. Filing04/30/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant01/26/82
  6. Terminated09/18/90

The patent was granted on 01/26/1982 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: 11/06/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOWNSEND ENGINEERING CO

Inventors

T. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

11/06/1984

RPI 733

Concessão da patente

#16.1

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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