A conveyance made by a person having a limited interest in an estate, purporting to convey a greater interest than he possessed or could lawfully convey, shall not work a forfeiture thereof, but shall pass to the grantee all the estate which he could lawfully convey.
RSA 477:22
RS 129:6. CS 135:6. GS 121:18. GL 135:18. PS 137:18. PL 213 :21. RL 259:21.