US2532999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heatable water tank
Assignee: Individual
•
Filing: 1948-05-17
•
Granted: 1950-12-05
•
Expires: 1968-05-17
Abstract
No abstract record available.
Inventors
- 👤 Donald J Donahoe
- 👤 Paul J Donahoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:41
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)
US1353146A
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US822440A
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US838246A
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US994543A
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US1414811A
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US1392513A
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US1402953A
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US2256751A
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US2345400A
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US2490824A
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US2430165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |