Packing material and method
Abstract
Abstract AN IMPROVED FREE FLOW PACKING MATERIAL PARTICULARLY CHARACTERIZED BY ITS ABILITY TO ISOLATE PACKED ITEMS AND TO ABSORB THE ENERGY OF POTENTIALLY DESTRUCTIVE SHOCKS AND IMPACTS, TOGETHER WITH A METHOD AND MEANS FOR ITS MANUFACTURE. THE INDIVIDUAL UNITS OF THE PACKING MATERIAL ARE STRUCTURALLY IN THE FORM OF RELATIVELY ELONGATE THICK CONTINUOUS STRIPS WHEREIN EACH STRIP IS FORMED WITH A GRADUALLY TWISTING SPIRAL CONFIGURATION, HAVING CURLING CENTRAL AND END PORTIONS. THE INDIVIDUAL UNITS ARE OF A SIZE AND SHAPE TO PROVIDE A DESIRED FREE-FLOWING CHARACTERISTIC, AND ARE FORMED OF A FOAMED EXPANDED CRUSHABLE PLASTIC MATERIAL WHICH INHERENTLY POSSESSES A SHOCK ABSORBING CHARACTERISTIC.
Inventors
- 👤 G Fuss
Bibliographic Details
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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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |