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US6585123: Bottle base
Filing Information
Patent Family
17 Claims, 4 Drawings
Abstract
Biaxially oriented, hollow plastic bottle of thermoplastic material having an improved base. The base includes an outer supporting annular rim for supporting the bottle on a surface and an inwardly extending portion of the base, wherein the space between the central portion of the base and the outer supporting rim includes a plurality of struts extending radially from the central portion of the base towards the annular rim.
- 1. A hollow plastic bottle, which comprises:
a hollow body of thermoplastic material having a generally cylindrical side wall, an upper end with a dispensing opening therein, and a lower supporting base with an inwardly extending portion having an outside surface thereof;
wherein said base includes a continuous outer supporting annular rim for supporting the bottle on a surface;
a central portion of said base; and
wherein the space between the central portion of the base and the outer supporting rim includes a plurality of struts extending radially from the central portion of the base towards the annular rim, and wherein said base includes a peripheral stepped area to facilitate stacking located between the annular rim and struts.
References Cited
U.S. Patent Documents
Foreign Patent Documents
| Document Number | Assignees | Inventors | Issue/Pub Date |
| JP6156466* | | | Jun 1994 |
* cited by examiner
Boliven’s Predicted Expiration Date includes in its calculation the number of days of patent term adjustment a U.S. patent is entitled. The Predicted Expiration Date does not, currently, include in its calculation the payment of maintenance fees, the filing of any disclaimer(s), and/or patent term extension, but Boliven is working to include this information in the near future.