US3564808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquefiable material packaged in flexible plastic containers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1968-11-08
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Granted: 1971-02-23
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Expires: 1988-11-08
Abstract
Abstract A NORMALLY SOLID OR SEMI-SOLID MATERIAL, SUCH AS ASPHALT, PARAFFIN WAX, SULFUR, ETC., IS PACKAGED IN PLASTIC BAGS BY FEEDING THE MATERIAL IN A MOLTEN STATE TO A PLASTIC TUBE SEALED AT ITS BOTTOM END AND DISPOSED WITHIN A MOLD WHICH SERVES TO SUPPORT, COOL AND SHAPE THE PLASTIC TUBE DURING FILLING. AFTER FILLING TO A DESIRED LEVEL, THE TUBE CONTAINED WITHIN THE MOLD IS SEALED AT A POSITION ABOVE THE LEVEL OF THE MATERIAL, SEVERED THEREAT FROM THE UNFILLED PORTION OF THE PLASTIC TUBE AND THEREAFTER RELEASED FROM THE MOLD AND FURTHER COOLED TO PROVIDE A FLEXIBLE CONTAINER HOLDING A SOLIDIFIED MATERIAL.
Inventors
- 👤 George E Kent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:21
CPC Classifications
B; B65; B65B; B65B63/00; B65B63/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |