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Official data from INPI

COMPRESSOR HERMÉTICO E PROCESSO DE MONTAGEM.

ConcedidaInvention Patent

Application data

Number

PI8103673

Type

Invention Patent

Filing

06/10/1981

Publication

03/02/1982

Progress at the INPI

  1. Filing06/10/81
  2. Publication03/02/82
  3. Examination06/29/82
  4. Allowance09/25/84
  5. Grant04/29/86
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tecumseh Products Company

US

See this company's full portfolio

Inventors

K. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

158.574 · 06/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/03/1985

RPI 789

110

09/17/1985

RPI 778

Recurso

#12.1

01/08/1985

RPI 742

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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