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Official data from INPI

PROCESSO DE DUAS ETAPAS PARA PRÉ-AQUECER XISTO BETUMINOSO

ArquivadaInvention Patent

Application data

Number

PI8204673

Type

Invention Patent

Filing

08/09/1982

Publication

04/26/1983

Progress at the INPI

  1. Filing08/09/82
  2. Publication04/26/83
  3. Examination08/02/83
  4. Allowance09/25/84
  5. Abandoned
  6. In force

The application was allowed on 09/25/1984 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 06/11/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

Inventors

K. Z. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

291.360 · 08/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/11/1985

RPI 764

Republicação - classificação IPC

#15.11

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Publicação do pedido de patente

#3.1

04/26/1983

RPI 653

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

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