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Official data from INPI

COMBINAÇÃO DE VÁLVULA REGULADORA DE PRESSÃO E DE DESCARGA DE AR

ArquivadaInvention Patent

Application data

Number

PI8101813

Type

Invention Patent

Filing

03/26/1981

Publication

10/06/1981

Progress at the INPI

  1. Filing03/26/81
  2. Publication10/06/81
  3. Examination01/26/82
  4. Allowance09/18/84
  5. Abandoned
  6. In force

The application was allowed on 09/18/1984 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

Mac Valves, Inc

US

See this company's full portfolio

Inventors

N. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

135.777 · 03/31/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/11/1985

RPI 764

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

04/03/1984

RPI 702

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

Publicação do pedido de patente

#3.1

10/06/1981

RPI 572

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