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Official data from INPI

TAMPA DE FÁCIL ABERTURA PARA CORPOS DE LATA, E, RESPECTIVA PATILHA DE ALAVANCA

IndeferidaInvention Patent

Application data

Number

PI8201801

Type

Invention Patent

Filing

03/30/1982

Publication

03/01/1983

Progress at the INPI

Under appeal
  1. Filing03/30/82
  2. Publication03/01/83
  3. Examination05/07/85
  4. Refused05/05/87
  5. Grant
  6. In force

The application was refused by the INPI on 05/05/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/05/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Can Company

US

See this company's full portfolio

Inventors

K. D. (pessoa física)

US

N. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

262,926 · 05/12/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

05/05/1987

RPI 863

Conhecimento de parecer técnico

#7.1

09/23/1986

RPI 831

Solicitação de exame técnico

#4.1

05/07/1985

RPI 759

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Pedido de patente depositado

#2.1

05/18/1982

RPI 604

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