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Official data from INPI

COMPRESSOR DE DESLOCAMENTO VARIÁVEL.

ConcedidaInvention Patent

Application data

Number

PI8300881

Type

Invention Patent

Filing

02/24/1983

Publication

11/16/1983

Progress at the INPI

  1. Filing02/24/83
  2. Publication11/16/83
  3. Examination09/10/85
  4. Allowance06/23/87
  5. Grant12/29/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

See this company's full portfolio

Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

352.225 · 02/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

10/20/1987

RPI 887

Deferimento

#9.1

06/23/1987

RPI 870

Republicação - classificação IPC

#15.11

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

09/10/1985

RPI 777

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

Patente extinta em 24/02/98

07/01/2008

RPI 1956

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