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Official data from INPI

APERFEICOAMENTOS EM PAINEL DE REVESTIMENTO DE TETOS E PAREDES

ConcedidaInvention Patent

Application data

Number

PI7800097

Type

Invention Patent

Filing

01/06/1978

Publication

-

Progress at the INPI

  1. Filing01/06/78
  2. Publication
  3. Examination
  4. Allowance11/03/82
  5. Grant05/31/83
  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: 05/31/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PERSIANAS COLUMBIA SA

Inventors

F. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

100

11/03/1982

RPI 628

Petição de recurso

#12.2

04/27/1982

RPI 601

Indeferimento

#9.2

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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