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Official data from INPI

PROCESSO DE FABRICAÇÃO DE EIXO TUBULAR E O EIXO OBTIDO

Em AnáliseInvention Patent

Application data

Number

PI7806951

Type

Invention Patent

Filing

10/23/1978

Publication

-

Progress at the INPI

  1. Filing10/23/78
  2. Publication
  3. Examination02/24/82
  4. Allowance12/16/86
  5. Grant03/20/90
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brasprensas S.A.

SP, BR

Inventors

I. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/07/1989

RPI 994

110

04/11/1989

RPI 964

Recurso

#12.1

04/14/1987

RPI 860

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Republicação - classificação IPC

#15.11

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

Pedido de licença compulsória

#20.1

12/26/1990

RPI 1047

Concessão da patente

#16.1

03/20/1990

RPI 1010

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