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Official data from INPI

UNIDADE DE COMPRESSOR DE MOTOR HERMÉTICO E TERMINAL HERMÉTICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004622

Type

Invention Patent

Filing

09/17/1990

Publication

11/19/1991

Progress at the INPI

  1. Filing09/17/90
  2. Publication11/19/91
  3. Examination05/05/92
  4. Allowance09/10/96
  5. Grant11/25/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tecumseh Products Company

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

T. I. (pessoa física)

US

V. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

497.086 · 03/21/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/09/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

11/25/1997

RPI 1408

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

09/10/1996

RPI 1345

Solicitação de exame técnico

#4.1

05/05/1992

RPI 1118

Publicação do pedido de patente

#3.1

11/19/1991

RPI 1094

Pedido de patente depositado

#2.1

04/02/1991

RPI 1061

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