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Official data from INPI

CONTROLE DE UM SO DESENHO DE PONTOS PARA MAQUINAS DE COSTURA

Em AnáliseInvention Patent

Application data

Number

PI7604903

Type

Invention Patent

Filing

08/07/1975

Publication

-

Progress at the INPI

  1. Filing08/07/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Expired09/21/93

The letters patent expired on 09/21/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SINGER CO

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Inventors

G. S. (pessoa física)

H. R. (pessoa física)

S. R. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

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

09/27/1983

RPI 675

22.0

10/26/1982

RPI 627

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

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