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Official data from INPI

APARELHO CRIOGÊNICO DE ABRASÃO POR JATO.

Em AnáliseInvention Patent

Application data

Number

PI7908722

Type

Invention Patent

Filing

02/26/1980

Publication

-

Progress at the INPI

  1. Filing02/26/80
  2. Publication
  3. Examination05/04/82
  4. Allowance02/28/84
  5. Grant08/28/84
  6. Terminated06/14/88

The patent was granted on 08/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AIRMARC CRYOGENIC MACHINERY , INC.

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

046.507 · 06/07/1979

US

918.707 · 06/26/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Exigência - art. 36 da LPI

#6.1

09/13/1983

RPI 673

Solicitação de exame técnico

#4.1

05/04/1982

RPI 602

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