US2554796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uniform feeder for granular material
Assignee: Iron Fireman Manufacturing Co
•
Filing: 1947-01-27
•
Granted: 1951-05-29
•
Expires: 1967-01-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Runninger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:33
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/08; B65G33/14; B65G33/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US539325A
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US1315719A
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US1264601A
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US1498776A
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US1545230A
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US1675090A
Cited
US1959864A
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US1917827A
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US1831561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |