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Official data from INPI

MAQUINA PARA DESCARBONAR FORMULARIOS CONTINUOS DE DUAS OU MAIS VIAS

Em AnáliseInvention Patent

Application data

Number

PI7601915

Type

Invention Patent

Filing

03/30/1976

Publication

-

Progress at the INPI

  1. Filing03/30/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  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: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. A. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

10/06/1987

RPI 885

Pedido de licença compulsória

#20.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/14/1982

RPI 621

110

06/22/1982

RPI 609

Recurso

#12.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

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