US2694510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve controlled bulk and dribble feed hopper
Assignee: Bemis Brothers Bag Co
•
Filing: 1951-09-04
•
Granted: 1954-11-16
•
Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Harold V Kindseth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:42
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/30; B65B1/32; B65B1/34; G; G01; G01G; G01G13/00; Y; Y10; Y10S; Y10S177/00; Y10S177/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US857164A
Cited
US1140915A
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US1577636A
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US1982127A
Cited
US2137334A
Cited
US2352114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |