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US3118474A Expired / Lapsed US ⏱️ 0.0 years remaining

Packing spout

Assignee: Primary Products Ingredients Americas LLC
•
Filing: 1961-04-18
•
Granted: 1964-01-21
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Expires: 1981-04-18
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony B Eppolito

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:47
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/18

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
A DEVICE FOR PACKING A BAG WITH RELATIVELY FINE AND DRY FLOWABLE MATERIAL, SAID DEVICE COMPRISING A CYLINDRICAL TUBE SECTION HAVING A MATERIAL RECEIVING END AND A DISCHARGE END WITH A CONNECTING SIDE WALL, AN EXTERNAL SLEEVE OF TRUNCATED CONE SHAPE, THE SMALLER END OF SAID EXTERNAL SLEEVE HAVING A DIAMETER AT ITS INNER EDGE WHICH IS ONLY SLIGHTLY GREATER THAN THE EXTERNAL DIAMETER OF SAID TUBE SECTION, SAID SLEEVE HAVING A SIDE WALL ENCOMPASSING A SUBSTANTIAL PORTION OF SAID TUBE SECTION AND SAID SLEEVE BEING LOCATED THEREON SO THAT ITS SMALLER END ENGAGES WITH THE EXTERNAL SURFACE OF THE SIDE WALL OF SAID TUBE SECTION ADJACENT THE DISCHARGE OPENING OF THE LATTER, SAID SLEEVE HAVING ITS OTHER END CLOSED EXCEPT FOR A RELATIVELY SMALL DISCHARGE PASSAGEWAY AND SAID SLEEVE COOPERATING WITH SAID TUBE SECTION TO FORM AN AIR DISCHARGE CHAMBER WITH
Claim 2
Independent Claim 142 words
A DEVICE FOR PACKING A BAG WITH RELATIVELY FINE AND DRY FLOWABLE MATERIAL, SAID DEVICE COMPRISING A CYLINDRICAL TUBE SECTION HAVING A MATERIAL RECEIVING END AND A DISCHARGE END WITH A CONNECTING SIDE WALL, AN EXTERNAL SLEEVE OF TRUNCATED CONE SHAPE, THE SMALLER END OF SAID EXTERNAL SLEEVE HAVING A DIAMETER AT ITS INNER EDGE WHICH IS ONLY SLIGHTLY GREATER THAN THE EXTERNAL DIAMETER OF SAID TUBE SECTION, SAID SLEEVE HAVING A SIDE WALL ENCOMPASSING A SUBSTANTIAL PORTION OF SAID TUBE SECTION AND SAID SLEEVE BEING LOCATED THEREON SO THAT ITS SMALLER END ENGAGES WITH THE EXTERNAL SURFACE OF THE SIDE WALL OF SAID TUBE SECTION ADJACENT THE DISCHARGE OPENING OF THE LATTER, SAID SLEEVE HAVING ITS OTHER END CLOSED EXCEPT FOR A RELATIVELY SMALL DISCHARGE PASSAGEWAY AND SAID SLEEVE COOPERATING WITH SAID TUBE SECTION TO FORM AN AIR DISCHARGE CHAMBER WITH

References Cited (Backward Citations)

AU993427A Cited
US1782733A Cited
DE702276C Cited
US2251659A Cited
DE929418C Cited
US2861604A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-01-20 1967-07-22 1968-01-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-01-20 1971-07-22 1972-01-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-01-20 1975-07-22 1976-01-21 $7700.00 Window Closed / Lapsed

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