Patent US2439053A successfully refreshed from Google Patents.
US2881733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brooder for quadrupeds
Assignee: Individual
•
Filing: 1953-08-31
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Granted: 1959-04-14
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Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jr George A Young
- 👤 Norman R Underdahl
- 👤 Ronald W Hinz
- 👤 Clarence L Silbernick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:59
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0216; A01K1/00; A01K1/02; A01K1/035; A01K5/01
Claims Analysis
Total Claims: 0
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US2026334A
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GB462557A
Cited
US2523615A
Cited
US2660981A
Cited
US2661800A
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US2698004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |