Patent US3307596A successfully refreshed from Google Patents.
US3307596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag filling apparatus and method
Assignee: ST Regis Paper Co
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Filing: 1964-06-01
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Granted: 1967-03-07
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Ivar H Stockel
- 👤 Calvin R Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:49
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/16; B65B1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A METHOD OF PACKAGING PARTICLES OF DRY DIVIDED SOLID MATERIAL, COMPRISING: INTRODUCING A DENSE PHASE STREAM OF SAID PARTICLES CARRIED IN A GAS FROM A PRESSURIZED BIN FEEDER INTO A PACKING SPOUT HAVING AN INLET PORTION, AND AN OUTLET PORTION, PASSING SAID PARTICLES CARRIED IN SAID GAS INTO AN ARCUATE PASSAGE EXTENDING BETWEEN SAID INLET AND SAID OUTLET, SAID PASSAGE HAVING A FIRST PORTION OF TURBULENCE WHERE THE GAS AND MATERIAL INTERMINGLE AND A SECOND PORTION WHEREIN THE PARTICLES ARE SUBJECTED TO COMPRESSION AND SEPARATION FROM THE GAS ALONG A FREE SURFACE LINE EXTENDING SUBSTANTIALLY ALONG A MEDIAL LONGITUDINAL AXIS OF THE PASSAGE, AND WITHDRAWING SAID SEPARATED GAS FROM SAID PACKING SPOUT, WHILE PASSING SAID PARTICLES TO A PACKAGING CONTAINER IN A COMPACT PHASE.
Claim 2
Independent Claim
124 words
A METHOD OF PACKAGING PARTICLES OF DRY DIVIDED SOLID MATERIAL, COMPRISING: INTRODUCING A DENSE PHASE STREAM OF SAID PARTICLES CARRIED IN A GAS FROM A PRESSURIZED BIN FEEDER INTO A PACKING SPOUT HAVING AN INLET PORTION, AND AN OUTLET PORTION, PASSING SAID PARTICLES CARRIED IN SAID GAS INTO AN ARCUATE PASSAGE EXTENDING BETWEEN SAID INLET AND SAID OUTLET, SAID PASSAGE HAVING A FIRST PORTION OF TURBULENCE WHERE THE GAS AND MATERIAL INTERMINGLE AND A SECOND PORTION WHEREIN THE PARTICLES ARE SUBJECTED TO COMPRESSION AND SEPARATION FROM THE GAS ALONG A FREE SURFACE LINE EXTENDING SUBSTANTIALLY ALONG A MEDIAL LONGITUDINAL AXIS OF THE PASSAGE, AND WITHDRAWING SAID SEPARATED GAS FROM SAID PACKING SPOUT, WHILE PASSING SAID PARTICLES TO A PACKAGING CONTAINER IN A COMPACT PHASE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |