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Official data from INPI

ESTRUTURA E PROCESSO DE MONTAGEM DE UMA JUNTA DE ESFERAS

Em AnáliseInvention Patent

Application data

Number

PI7708644

Type

Invention Patent

Filing

12/29/1976

Publication

-

Progress at the INPI

  1. Filing12/29/76
  2. Publication
  3. Examination
  4. Allowance10/19/82
  5. Grant09/27/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKAI TRW & CO

Inventors

A. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

05/27/1986

RPI 814

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

9.1.3

03/22/1983

RPI 648

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

Deferimento

#9.1

10/19/1982

RPI 626

8.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

10/13/1981

RPI 573

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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