Patent US2611044A successfully refreshed from Google Patents.
US2611044A
Expired / Lapsed
US
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Bin level controller
Assignee: Individual
•
Filing: 1949-07-22
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Granted: 1952-09-16
•
Expires: 1969-07-22
Abstract
No abstract record available.
Inventors
- 👤 Karl O Siemon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:27
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20380E
Cited
US659855A
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US2001168A
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US2119783A
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US2237341A
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US2260636A
Cited
US2258334A
Cited
US2428246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |