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Official data from INPI

INVOLUCRO PARA IMPERMEABILIZAR JUNTAS DE CABO E EXTREMIDADES DE CABO

Em AnáliseInvention Patent

Application data

Number

PI7606159

Type

Invention Patent

Filing

09/19/1975

Publication

-

Progress at the INPI

  1. Filing09/19/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PREFORMED LINE PRODUCTS CO

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Inventors

S. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.4

08/11/1987

RPI 877

18.1

03/17/1987

RPI 856

22.2

04/01/1986

RPI 806

18.1

12/10/1985

RPI 790

201

05/10/1983

RPI 655

Pedido de licença voluntária

#17.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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