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Official data from INPI

AMPLIFICADOR DE SERVO-MOTOR.

ConcedidaInvention Patent

Application data

Number

PI8107928

Type

Invention Patent

Filing

12/07/1981

Publication

09/14/1982

Progress at the INPI

  1. Filing12/07/81
  2. Publication09/14/82
  3. Examination02/22/83
  4. Allowance05/14/85
  5. Grant11/26/85
  6. Terminated08/07/90

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Commercial Shearig, Inc.,

US

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Inventors

H. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

213.748 · 12/08/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

09/03/1985

RPI 776

Deferimento

#9.1

05/14/1985

RPI 760

Republicação - classificação IPC

#15.11

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

02/22/1983

RPI 644

Publicação do pedido de patente

#3.1

09/14/1982

RPI 621

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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