US3246119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater and control therefor
Assignee: White Rodgers Co
•
Filing: 1964-05-11
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Granted: 1966-04-12
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Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard R Kinsella
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:51
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2007; F24H9/2014; F24H9/2021; F24H15/00; F24H15/10; F24H15/174; F24H15/20; F24H15/212; F24H15/223; F24H15/225; F24H15/30; F24H15/355; F24H15/37; H; H01; H01H; H01H37/00; H01H37/006; H01H37/02; H01H37/32; H01H37/52; H01H37/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2380545A
Cited
US2377440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |