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eBook details

• Title: Horace C. Silsby, Washburn Race, Abel Downs, Henry Henion, And Edward Mynderse, Appellants v. Elisha Foote
• Author : United States Supreme Court
• Release Date : January 01, 1857
• Genre: Law,Books,Professional & Technical,
• Pages : * pages
• Size : 82 KB

Description

To the Commissioner of Patents: The petition of Elisha Foote, of Seneca Falls, in the county of Seneca and State of New York, respectfully represents, that your petitioner obtained letters patent of the United States for an improvement in regulating the draught of stoves, which letters patent are dated on the 26th day of May, 1842; that he has reason to believe that through inadvertence and mistake the claim made in the specification of said letters patent in the following words, to wit: 'What I can as my invention, and desire to secure by letters patent, is the application of the expansive and contracting power of a metallic rod by different degrees of heat to open and close a damper, which governs the admission of air into a stove or other structure in which it may be used, by which a more perfect control over the heat is obtained than can be by a damper in the flue,' is too broad, including that of which your petitioner was not the first inventor.

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