US2661876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hopper and power actuated discharge gate
Assignee: Bemis Brothers Bag Co
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Filing: 1951-06-15
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Granted: 1953-12-08
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Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Harold V Kindseth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:07
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/32; B65B1/34
Claims Analysis
Total Claims: 0
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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) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |