US3050918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic bag feeding machine
Assignee: Bemis Brothers Bag Co
•
Filing: 1959-04-16
•
Granted: 1962-08-28
•
Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Jack D Helm
- 👤 Frank L Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:51
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/12; B65B43/14; B65B43/16; B65B43/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2222459A
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US2350666A
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US2548222A
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US2754646A
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US2684191A
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US2722358A
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US2753097A
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US2737001A
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US2833097A
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US2847806A
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US2973612A
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US2926475A
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US2950589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |