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Official data from INPI

COMPRESSOR ROTATIVO HERMETICAMENTE VEDADO E MÉTODO PARA VEDAR E COMPENSAR AS TENSÕES DE SOLDAGEM NO CONJUNTO PARA UM COMPRESSOR ROTATIVO HERMETICAMENTE VEDADO

Em AnáliseInvention Patent

Application data

Number

PI8704659

Type

Invention Patent

Filing

09/08/1987

Publication

07/05/1988

Progress at the INPI

  1. Filing09/08/87
  2. Publication07/05/88
  3. Examination10/11/88
  4. Allowance04/16/91
  5. Grant11/26/91
  6. Terminated10/24/95

The patent was granted on 11/26/1991 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tecumseh Products Company

US

See this company's full portfolio

Inventors

M. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

940.852 · 12/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

07/05/1988

RPI 924

Pedido de patente depositado

#2.1

11/24/1987

RPI 892

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

07/30/1991

RPI 1078

Deferimento

#9.1

04/16/1991

RPI 1063

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

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