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Official data from INPI

APERFEICOAMENTO EM MAQUINA DE CONSTURA

Em AnáliseInvention Patent

Application data

Number

PI7701755

Type

Invention Patent

Filing

03/26/1976

Publication

-

Progress at the INPI

  1. Filing03/26/76
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant02/22/83
  6. Terminated10/23/90

The patent was granted on 02/22/1983 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: 03/11/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SINGER CO

See this company's full portfolio

Inventors

R. J. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

03/11/1986

RPI 803

20.4

03/04/1986

RPI 802

Pedido de licença compulsória

#20.1

02/18/1986

RPI 800

Pedido de licença compulsória

#20.1

08/16/1983

RPI 669

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

15.0

01/12/1982

RPI 586

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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