US2567664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chicken culling device
Assignee: Individual
•
Filing: 1948-04-22
•
Granted: 1951-09-11
•
Expires: 1968-04-22
Abstract
No abstract record available.
Inventors
- 👤 Willis G Ewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:54
CPC Classifications
A; A01; A01K; A01K31/00; A01K31/14; A01K31/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US914720A
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US1217721A
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US1417631A
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US1535512A
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US1565476A
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US1616661A
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FR643997A
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US1824557A
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US1696394A
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US2055110A
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US2108287A
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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) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |