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Official data from INPI

APERFEICOAMENTO EM ROTOR PARA UM APARELHO ELETRO-MECANICO

Em AnáliseInvention Patent

Application data

Number

PI7603461

Type

Invention Patent

Filing

06/25/1975

Publication

-

Progress at the INPI

  1. Filing06/25/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated10/23/90

The patent was granted 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: 01/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SINGER CO

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

01/05/1988

RPI 898

20.7

06/17/1986

RPI 817

20.4

06/03/1986

RPI 815

Pedido de licença compulsória

#20.1

05/27/1986

RPI 814

Pedido de licença compulsória

#20.1

04/12/1983

RPI 651

18.8

09/21/1982

RPI 622

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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