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Official data from INPI

MÁQUINA ELÉTRICA DE CHAVE DE ARRASTO

Em AnáliseInvention Patent

Application data

Number

PI8204414

Type

Invention Patent

Filing

07/28/1982

Publication

07/19/1983

Progress at the INPI

  1. Filing07/28/82
  2. Publication07/19/83
  3. Examination07/23/85
  4. Allowance01/23/90
  5. Grant02/13/91
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Standard Inc

US

AMERICAN STANDARD INC.

See this company's full portfolio

Inventors

D. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

288.221 · 07/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

03/29/1988

RPI 910

Exigência - art. 36 da LPI

#6.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

07/23/1985

RPI 770

Publicação do pedido de patente

#3.1

07/19/1983

RPI 665

Pedido de patente depositado

#2.1

09/08/1982

RPI 620

Carta-patente expirada

#21.1

Patente extinta em 28/07/97

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

09/03/1991

RPI 1083

Concessão da patente

#16.1

02/13/1991

RPI 1054

15.17

11/13/1990

RPI 1041

Retificação

#15.3

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

01/23/1990

RPI 1003

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