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Official data from INPI

ACUSADOR-INTERRUPTOR DE PRESSÃO.

ConcedidaUtility Model

Application data

Number

MU6300532

Type

Utility Model

Filing

05/02/1983

Publication

08/30/1983

Progress at the INPI

  1. Filing05/02/83
  2. Publication08/30/83
  3. Examination02/21/84
  4. Allowance09/30/86
  5. Grant08/25/87
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. F. (pessoa física)

SP, BR

Inventors

F. E. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Republicação - classificação IPC

#15.11

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Republicação - classificação IPC

#15.11

03/07/1984

RPI 698

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação antecipada

#3.2

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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