Patent US2833273A successfully refreshed from Google Patents.
US2833273A
Expired / Lapsed
US
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Hot water storage tank and water heater system embodying the same
Assignee: Individual
•
Filing: 1955-05-19
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Granted: 1958-05-06
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Expires: 1975-05-19
Abstract
No abstract record available.
Inventors
- 👤 Avy L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:10
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/08; F24D3/082; F24D17/00; F24H; F24H9/00; F24H9/12; F24H9/13; F24H9/133; F28; F28D; F28D20/00; F28D20/0034; F28D20/0039; F28D2020/0065; F28D2020/0069; Y; Y02; Y02E; Y02E60/00; Y02E60/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US787909A
Cited
US1731368A
Cited
US1775208A
Cited
US2224240A
Cited
US2594616A
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US2676584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |