Patent 3996695 Issued on December 14, 1976. Estimated Expiration Date: December 14, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Pressurizing a bellows moves doll's head to a rear position, whereupon bellows is relieved so that the doll's head will move forwardly under the influence of a spring while air from bellows is simultaneously directed to a reservoir forcing water out through the doll's nose.