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acid adjustable apparatus application April 20 arrangement assignor attached axle boiler carbonic acid carriage centre claim the combination claim therein clepsydra coal color Commissioner connecting connexion constructed Cooking stove cotton cutter cutting cylinder Date of patent described and represented described my improvements described my invention described the nature desire to secure drawings engine equivalent exhibited fibres flax flues frame fully described furnace grain heat herein described Inventions or discoveries inventor iron James John July July 17 July 29 July 31 letters patent lever machine machinery manufacture manure means metal mode models motion mould ornamental Patent Office piston plane plate produced purpose revolving rollers screw scribed secure by letters seed shaft side sliding soil specified specimens spring steam substances substantially as described substantially as herein surface thereof tion tube valve wheel William
Page 506 - ... the benefit of such renewal shall extend to assignees and grantees of the right to use the thing patented, to the extent of their respective interests therein; Provided, however, That no extension of a patent shall be granted after the expiration of the term for which it was originally issued.
Page 495 - Office a written description of the same, and of the manner and process of making, constructing, compounding, and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art or science to which it appertains, or with which it is most nearly connected, to make, construct, compound, and use the same...
Page 160 - I claim, and desire to secure by letters patent of the United States, is as follows: First. I claim a plan of supporting a vessel, in whole or part, upon or by means of a flexible, movable, endless hose, or "air-float," or on an endless, movable chain of flexible, buoyant compartments, for the purposes set forth . Second. I claim making my flexible hose,
Page 120 - What I claim, and desire to secure by letters patent of the United States, is — The...
Page 224 - What we claim as our invention and desire to secure by Letters Patent is the...
Page 427 - Schools is directed to this New Series of German School Books, which has been projected. with a view to supply a long-felt want, viz. , thoroughly reliable TextBooks, edited by German scholars of the highest reputation, at a price which will bring them within the reach of all.
Page 495 - And in the case of any machine, he shall fully explain the principle, and the several modes in which he has contemplated the application of that principle or character, by which it may be distinguished from other inventions...
Page 495 - The specification is a written description of the invention or discovery and of the manner and process of making, constructing, compounding, and using the same, and is required to be in such full, clear, concise, and exact terms as to enable any person skilled in the art or science to which the invention or discovery appertains, or with which it is most nearly connected, to make, construct, compound, and use the same.
Page 495 - To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation...