Patent US2501980A successfully refreshed from Google Patents.
US2501980A
Expired / Lapsed
US
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Watering or feeding trough for animals
Assignee: Dayton Pump and Manufacturing Co
•
Filing: 1945-06-29
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Granted: 1950-03-28
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Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Wolfe H Hix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:26
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/10; A01K5/00; A01K5/01; Y; Y10; Y10S; Y10S220/00; Y10S220/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US436397A
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US659157A
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US678913A
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US795484A
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US879559A
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US1127976A
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US1252204A
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US1344089A
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US1742019A
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GB381522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |