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US2606548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-heated stock watering tank
Assignee: Individual
•
Filing: 1948-07-17
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Granted: 1952-08-12
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Expires: 1968-07-17
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:56
CPC Classifications
A; A01; A01K; A01K7/00; A01K7/02; A01K7/027; A01K7/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US502370A
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US793472A
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US1113185A
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US1114394A
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US1166411A
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US1229557A
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US1751533A
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US1801888A
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US2030555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |