Patent US3559370A successfully refreshed from Google Patents.
US3559370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag distending machine
Assignee: QUALITY POULTRY CO Inc
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Filing: 1968-08-26
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Granted: 1971-02-02
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Expires: 1988-08-26
Abstract
Abstract AN IMPROVED BAGGING MACHINE IS PROVIDED IN WHICH A STACK OF FLAT CELLOPHANE OR POLYETHYLENE BAGS, OR THE LIKE, ARE CLAMPED BY THEIR LIP PORTIONS WHICH ARE PROVIDED ADJACENT THE OPEN END OF EACH BAG, AND IN WHICH A STREAM OF PRESSURIZED FLUID IS DIRECTED ACROSS THE LIP PORTION OF THE UPPERMOST BAG IN THE STACK TO DISTEND THAT BAG SO THAT IT MAY EASILY BE FILLED WITH MERCHANDISE. AFTER IT IS FILLED, THE UPPERMOST BAG MAY CONVENIENTLY BE REMOVED FROM THE STACK BY TEARING IT ALONG PERFORATIONS WHICH ARE PROVIDED ACROSS ITS LIP PORTION, FOR EXAMPLE, SO AS TO RE- MOVE THE BAG FROM THE LIP PORTION THEREOF WHICH IS CLAMPED IN THE MACHINE.
Inventors
- 👤 A C Byington
- 👤 Elmer R Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:06
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/34; B65B43/36
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |