...thereto, are hereby repealed. SEC. 2. Whenever without any intent to defraud or to mislead the public a patentee has claimed more than that of which he was the first inventor, his patent shall be valid for that part which is truly and justly his own, provided...

...without any willful default or intent to defraud or mislead the public, a patentee in his specification has claimed more than that of which he was the original or first inventor or discoverer, his patent is valid for all that which is truly and justly his own, provided the same is a material and substantial...

...his own invention or discovery more than he had the right to claim as new, if the error has arisen by inadvertence, accident, or mistake, and without any fraudulent or deceptive intention, a new patent may be issued for the balance of the term, on surrender of the original. Now the main difficulty...

...4917 and 4922, B. 8. (Сотр. St. §§ 9462, 9468). The first section provides in substance that whenever, through inadvertence, accident, or mistake,...was the original or first inventor or discoverer, he may be permitted to make disclaimer of such parts of the thing patented as he shall not choose to...

...ISSUES. The Patent Statute provides two methods for amending a patent after it issues. Section 4917 says, "Whenever through inadvertence, accident, or mistake,...was the original or first inventor or discoverer, . . . such patentee . . . may . . . make disclaimer of such parts of the thing patented as he shall...

...specification, or because you claimed as your invention more than you had a right to claim. If the error arose through inadvertence, accident, or mistake, and without any fraudulent or deceptive intention, you may apply for a reissue. In applying for a reissue you must offer to surrender your original patent....

...22110'-r-31 29 Opinion of the Court. 282tI.S. The first of these sections provides in substance that whenever, through inadvertence, accident, or mistake,...was the original or first inventor or discoverer, he may be permitted to make disclaimer of such parts of the thing patented as he shall not choose to...

...4917, 4922; sees. 7 and 9, act of 1837, 5 Stat. 193), copied in the margin.1 1 Sec. 65. Disclaimer. Whenever, through Inadvertence, accident, or mistake,...Intention, a patentee has claimed more than that of wbicb he waa tlie original or first Inventor or discoverer, his patent shall be valid for all that...

...4917 of the Revised Statutes (USC, title 35, sec. (55) be, and the same is hereby, amended to read as follows : "Whenever, through inadvertence, accident...or deceptive intention, a patentee has claimed more ;th^n, that of which he was the original or first, inventor., or discoverer' his patent shall be valid...

...the simple abandonment of an excessive claim, provided the part excessively claimed was so claimed through inadvertence, accident, or mistake, and without any fraudulent or deceptive intention, and constituted a separable and definitely distinguishable part of what was originally claimed. (Sees....