Lapse Patent
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
A patent issued to petitioner for land; a patent for which land to another party has lapsed through neglect of patentee. The lapse patent relates to date of original patent, and makes void all mesne conveyances.
1 Wash. (Va.) 39, 40.