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Official data from INPI

MÉTODO DE CONTROLE DE COMPRESSORES DE UNIDADE DE REFRIGERAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8501601

Type

Invention Patent

Filing

04/03/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/03/85
  2. Publication12/03/85
  3. Examination05/27/86
  4. Allowance10/26/93
  5. Grant06/28/94
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/14/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

R. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

597.335 · 04/06/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

10/14/1986

RPI 834

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Carta-patente expirada

#21.1

Patente extinta em 03/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/26/1993

RPI 1195

Exigência - art. 36 da LPI

#6.1

11/17/1992

RPI 1146

Exigência - art. 36 da LPI

#6.1

03/17/1992

RPI 1111

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