Patent US1269207A successfully refreshed from Google Patents.
Patent US3213588A successfully refreshed from Google Patents.
US3213588A
Expired / Lapsed
US
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Automatic valve bag applicator
Assignee: ST Regis Paper Co
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Filing: 1961-03-02
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Granted: 1965-10-26
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Expires: 1981-03-02
Abstract
No abstract record available.
Inventors
- 👤 Peterson William Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:59
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/12; B65B43/14; B65B43/26; B65B43/262
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A METHOD OF CONDITIONING BAGS HAVING A BODY AND A VALVED END FLAP, COMPRISING: PIVOTING THE FLAP TO A POSITION SUBSTANTIALLY AT RIGHT ANGLES TO THE PLANE OF THE BAG BODY, SHAPING THE FLAP TO A GENERALLY CONCAVO-CONVEX CONFIGURATION, URGING PORTIONS OF THE FLAP ADJACENT THE BODY IN A DIRECTION AWAY FROM THE BAG BODY THUS TO OPEN THE VALVE, AND SHIFTING THE BAG RELATIVELY TO A FILLING SPOUT WHILE SUPPORTING THE VALVE IN OPEN POSITION TO SITUATE AN END OF THE SPOUT WITHIN THE BAG.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |