reissuance of patent

The issuance of new letters patent upon surrender of the old. 40 Am J1st Pat § 108. A patent is granted to secure certain rights to inventors for a limited time. A reissued patent is one which merely secures those rights more definitely in some particular wherein the original patent was defective. A reissued patent has the same standing in law as an original patent. See Ingersoll v Holt (CC Cal) 104 F 682, 683.