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Official data from INPI

ACESSORIO PARA ESCREVER OU MARCAR

Em AnáliseInvention Patent

Application data

Number

PI7700279

Type

Invention Patent

Filing

01/16/1976

Publication

-

Progress at the INPI

  1. Filing01/16/76
  2. Publication
  3. Examination
  4. Allowance12/22/81
  5. Grant10/26/82
  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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXTRON INC

See this company's full portfolio

Inventors

H. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

04/26/1988

RPI 914

Concessão da patente

#16.1

10/26/1982

RPI 627

Notificação para pagamento de retribuição

#13.1

04/27/1982

RPI 601

Deferimento

#9.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

20.4

08/21/1990

RPI 1029

20.7

08/14/1990

RPI 1028

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