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US2830923A
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Method of closing the end of a balloon envelope
Assignee: General Mills Inc
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Filing: 1954-11-03
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Granted: 1958-04-15
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Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Roger A Kizzek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:48
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A METHOD OF CLOSING THE END OF A BALLOON ENVELOPE FORMED OF A THERMOPLASTIC MATERIAL WHICH COMPRISES GATHERING THE EXCESS MATERIAL AT THE OPEN END OF THE BALLOON BY DRAWING THE MATERIAL TOGETHER IN SMALL PLEATED FOLDS FROM ONE DIRECTION ONLY, GATHERING THE MATERIAL FROM SAID ONE DIRECTION UNTIL ALL THE MATERIAL HAS BEEN GATHERED AND PLEATED TO FORM A STACK OF PLEATS EXCEPT FOR A FREE LOOP OF MATERIAL EXTENDING FROM THE FIRST PLEATED FOLD TO THE LAST PLEATED FOLD, AND APPLYING HEAT TO THE FOLDED GATHERED MATERIAL PERMITTING THE FREE LOOP TO REMAIN UNHEATED TO SEAM THE GATHERED MATERIAL AND LEAVE THE LOOP FREE FOR INSECTION OF AN END FITTING MEMBER INTO THE BALLOON END.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |