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Official data from INPI

PROCESSO E DISPOSITIVO PARA PRODUCAO DE UMA ESTEIRA DE MATERIAL PLASTICO NAO FLUIDO PARA CORPOS PRENSADOS

Em AnáliseInvention Patent

Application data

Number

PI7702611

Type

Invention Patent

Filing

05/15/1976

Publication

-

Progress at the INPI

  1. Filing05/15/76
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant04/26/83
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 08/23/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. S. (pessoa física)

Inventors

H. H. (pessoa física)

M. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

08/23/1983

RPI 670

22.9

06/28/1983

RPI 662

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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