US2703069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-feeding forage structure
Assignee: AO Smith Corp
•
Filing: 1952-06-30
•
Granted: 1955-03-01
•
Expires: 1972-06-30
Abstract
No abstract record available.
Inventors
- 👤 Erwin G Dueringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:27
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE296970C
Cited
FR453262A
Cited
US1219267A
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US1301051A
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US1377036A
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US1615024A
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US1565701A
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US1693611A
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US2353126A
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US2638871A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |