Patent US3118474A successfully refreshed from Google Patents.
US3118474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing spout
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1961-04-18
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Granted: 1964-01-21
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Expires: 1981-04-18
Abstract
No abstract record available.
Inventors
- 👤 Anthony B Eppolito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:17
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)
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 |