Patent US3197936A successfully refreshed from Google Patents.
US3197936A
Expired / Lapsed
US
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Method and apparatus for conditioning bags for loading
Assignee: Individual
•
Filing: 1961-10-06
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Granted: 1965-08-03
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Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Messmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:39
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/34; B65B43/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A METHOD OF CONDITIONING PLASTIC BAGS FOR LOADING, EACH BAG HAVING A MOUTH WITH A PROTRUDING LIP, COMPRISING: ARRANGING THE BAGS IN A ROW WITH THE BAG BODIES IN A SINGLE HORIZONTAL PLANE AND THE PROTRUDING LIPS PROJECTING IN THE SAME DIRECTION AND HAVING THEIR INNER FACES UPWARD, GRIPPING SAID LIPS AND ADVANCING THEM IN THE DIRECTION OF SAID ROW IN ORDER TO PRESENT SAID BAGS SUCCESSIVELY TO A LOADING STATION, AND THERE MAINTAINING SAID GRIP TO HOLD THE LIP AGAINST MOVEMENT AND BLOWING AIR INTO THE BAG MOUTH TO OPEN IT UPWARDLY.
References Cited (Backward Citations)
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US2643496A
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US2629214A
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US2673016A
Cited
US2851838A
Cited
US3023558A
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US2964892A
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |