Patent US2681133A successfully refreshed from Google Patents.
US2681133A
Expired / Lapsed
US
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Bag delivery mechanism for bag closing machines
Assignee: Bemis Brothers Bag Co
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Filing: 1951-12-05
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Granted: 1954-06-15
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Expires: 1971-12-05
Abstract
No abstract record available.
Inventors
- 👤 Harold V Kindseth
- 👤 Frank L Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:52
CPC Classifications
B; B65; B65B; B65B65/00; B65B65/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1109259A
Cited
US1989471A
Cited
DE693212C
Cited
US2301543A
Cited
US2552246A
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US2605651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |