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Official data from INPI

PROCESSO DE FORMACAO DE BOLSA EM TUBOS TERMOPLASTICOS E TUBO COM BOLSA ASSIM FORMADA

Em AnáliseInvention Patent

Application data

Number

PI7808023

Type

Invention Patent

Filing

12/06/1978

Publication

-

Progress at the INPI

  1. Filing12/06/78
  2. Publication
  3. Examination
  4. Allowance02/16/82
  5. Grant08/30/83
  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: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HANSEN INDUSTRIAL

Inventors

S. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

05/29/1984

RPI 710

Pedido de licença voluntária

#17.1

01/03/1984

RPI 689

Concessão da patente

#16.1

08/30/1983

RPI 671

110

04/26/1983

RPI 653

Recurso

#12.1

10/19/1982

RPI 626

15.0

04/13/1982

RPI 599

Deferimento

#9.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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