Patent 4884693 Issued on December 5, 1989. Estimated Expiration Date: September 30, 2008. 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.
A blister packaging card which contains a closure means for at least one blister which is integral with the card. The card can be prepared from a single sheet (1) comprising a series of blisters (2) at least one pair of which (3, 4) is adapted to mutually engage.