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Official data from INPI

APERFEICOAMENTO EM RETRATOR DE ESTERNO E NUM CONJUNTO DE LAMINAS PARA O MESMO

Em AnáliseInvention Patent

Application data

Number

PI7601191

Type

Invention Patent

Filing

02/26/1975

Publication

-

Progress at the INPI

  1. Filing02/26/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  6. Terminated04/23/85

The patent was granted on 12/29/1981 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: 04/23/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CODMAN & SHURTLEFF

Inventors

R. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

04/23/1985

RPI 757

Cessão de direito de exploração

#22.1

10/30/1984

RPI 732

Concessão da patente

#16.1

12/29/1981

RPI 584

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