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Official data from INPI

COMPRESSOR DE PRATO OSCILANTE DE MÚLTIPLOS CILINDROS.

ConcedidaInvention Patent

Application data

Number

PI8103099

Type

Invention Patent

Filing

05/19/1981

Publication

02/09/1982

Progress at the INPI

  1. Filing05/19/81
  2. Publication02/09/82
  3. Examination04/03/84
  4. Allowance10/30/84
  5. Grant04/30/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

C. J. (pessoa física)

G. M. (pessoa física)

P. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

151.707 · 05/20/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Deferimento

#9.1

10/30/1984

RPI 732

Solicitação de exame técnico

#4.1

04/03/1984

RPI 702

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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