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Official data from INPI

PROCESSO DE PRODUZIR O DESVIO INCONVENIENTE CAUSADO POR IMPERFEICOES EM UM PRISMA COMPENSADOR DE COR E REFRATOMETRO DO TIPO DE ABBE

Em AnáliseInvention Patent

Application data

Number

PI7803518

Type

Invention Patent

Filing

06/02/1977

Publication

-

Progress at the INPI

  1. Filing06/02/77
  2. Publication
  3. Examination
  4. Allowance11/17/81
  5. Grant07/27/82
  6. Terminated05/17/88

The patent was granted on 07/27/1982 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN OPTICAL CORP

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Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Pedido de licença compulsória

#20.1

12/20/1983

RPI 687

20.3

08/30/1983

RPI 671

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

03/23/1982

RPI 596

Deferimento

#9.1

11/17/1981

RPI 578

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