Patent US3305160A successfully refreshed from Google Patents.
US3305160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable bag liner
Assignee: Graphic Packaging Corp
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Filing: 1965-04-16
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Granted: 1967-02-21
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Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 John F Lehman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:10
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/04; Y; Y10; Y10S; Y10S383/00; Y10S383/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A TUBULAR MEMBER PARTICULARLY ADAPTED FOR BEING FABRICATED INTO A CONTAINER WHICH IS CAPABLE OF EXPANDING UNDER THE INFLUENCE OF A PACKAGED PRODUCT COMPRISING A TUBULAR BODY, A LONGITUDINAL FOLD FORMED FROM THE MATERIAL OF SAID BODY, SAID LONGITUDINAL FOLD BEING DEFINED BY FIRST AND SECOND OPPOSING GENERALLY PARALLEL OVERLYING FREELY UNFOLDABLE LONGITUDINAL PORTIONS MOVABLE RELATIVE TO EACH OTHER WHEREBY INTERNAL PRESSURE APPLIED TO A CONTAINER FABRICATED FROM SAID TUBE CAUSES UNFOLDING OF SAID OVERFOLDED PORTIONS FROM THE GENERALLY PARALLEL RELATIONSHIP TOWARD A COPLANAR POSITION TO THUS INCREASE THE BODY AND PREVENT RUPTURE THEREOF, AND MEANS FOR LIMITING THE UNFOLDING OF SAID LONGITUDINAL FOLD AND PREVENTING COMPLETE UNFOLDING OF SAID FIRST AND SECOND OVERLYING FREELY UNFOLDABLE LONGITUDINAL PORTIONS TOWARD A COPLANAR RELATIONSHIP.
Claim 2
Dependent Claim
122 words
A TUBULAR MEMBER PARTICULARLY ADAPTED FOR BEING FABRICATED INTO A CONTAINER WHICH IS CAPABLE OF EXPANDING UNDER THE INFLUENCE OF A PACKAGED PRODUCT COMPRISING A TUBULAR BODY, A LONGITUDINAL FOLD FORMED FROM THE MATERIAL OF SAID BODY, SAID LONGITUDINAL FOLD BEING DEFINED BY FIRST AND SECOND OPPOSING GENERALLY PARALLEL OVERLYING FREELY UNFOLDABLE LONGITUDINAL PORTIONS MOVABLE RELATIVE TO EACH OTHER WHEREBY INTERNAL PRESSURE APPLIED TO A CONTAINER FABRICATED FROM SAID TUBE CAUSES UNFOLDING OF SAID OVERFOLDED PORTIONS FROM THE GENERALLY PARALLEL RELATIONSHIP TOWARD A COPLANAR POSITION TO THUS INCREASE THE BODY AND PREVENT RUPTURE THEREOF, AND MEANS FOR LIMITING THE UNFOLDING OF SAID LONGITUDINAL FOLD AND PREVENTING COMPLETE UNFOLDING OF SAID FIRST AND SECOND OVERLYING FREELY UNFOLDABLE LONGITUDINAL PORTIONS TOWARD A COPLANAR RELATIONSHIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |