.~ Locking means actuated in response to a condition {4}
673
.~.~ Coin-controlled lock (e.g., responsive to print-lines, time, etc.)
DEFINITION
Classification: 400/673
Coin-controlled lock (e.g., responsive to print-lines, time, etc.):
(under subclass 668) Subject matter wherein the preventing means is made ineffective by using a token representing money, whereby a typewriter may be made available for hire.
(1) Note. Usually the typewriter of this subclass is operable after the insertion of a coin, and operates for a preset number of print-lines*, or character* symbols, or period of time, or any countable characteristic, after which the typewriter is inoperable.