(12) Abstract to Unites State Patent | |
(14) Дата публикации: 1912-07-23 (21) Регистрационный номер заявки: 19110651266 (22) Дата подачи заявки: 1911-09-25 |
(71) Имя заявителя: Tolson James Henry (US) (72) Имя изобретателя: Tolson James Henry (US) (73) Имя патентовладельца: Tolson James Henry (US) |
(54) Cellar-door (57) This invention related to pmrovements in cellar doors, and has for its particular object to provide a device of that character which will be absolutely water tight or nonleakable. |