US2501475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hen's nest
Assignee: Individual
•
Filing: 1947-04-17
•
Granted: 1950-03-21
•
Expires: 1967-04-17
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Muehlfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:42
CPC Classifications
A; A01; A01K; A01K31/00; A01K31/14; A01K31/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US680821A
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US694759A
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US1037756A
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US1175638A
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US1402790A
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US1721649A
Cited
US1925456A
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US1810278A
Cited
US1817588A
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US1914160A
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US2279147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |