Quick-opening fulcrum package
Abstract
Abstract A quick opening package comprises a base member, at least one elongated pocket on the base member, a frangible layer on the base member and secured thereto generally around the pocket for enclosing an item contained therein. Generally apposed and angularable portions of the base member are strengthen such that an angulation fold region extending generally between the base member portions is defined thereby. A stiffening arrangement is secured to the base member and to their pocket but only at an end portion thereof to aid in spreading the pocket for development of rupturing forces in the frangible layer upon angulation of the packages and to concentrate the opening forces at the pocket end portion.
Inventors
- 👤 Harold Richard Hellstrom
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |