US2503886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poultry feeder
Assignee: JAMES Manufacturing CO
•
Filing: 1946-08-16
•
Granted: 1950-04-11
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 John B Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:30
CPC Classifications
A; A01; A01K; A01K39/00; A01K39/01; A01K39/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US846175A
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US905393A
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US1030369A
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US1058796A
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US1079231A
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US1331008A
Cited
US1350523A
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US1520607A
Cited
US1537337A
Cited
US1571754A
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US1936295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |