Patent US2546536A successfully refreshed from Google Patents.
US2546536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chick brooder
Assignee: Individual
•
Filing: 1945-11-06
•
Granted: 1951-03-27
•
Expires: 1965-11-06
Abstract
No abstract record available.
Inventors
- 👤 Berg Ezra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:23
CPC Classifications
A; A01; A01K; A01K31/00; A01K31/18; A01K31/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1196095A
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US981986A
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US1053262A
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US1181504A
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US1533186A
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US1831504A
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US2160185A
Cited
US2183472A
Cited
GB491742A
Cited
US2302860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |