US2559110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater and burner housing therefor
Assignee: Individual
•
Filing: 1949-04-22
•
Granted: 1951-07-03
•
Expires: 1969-04-22
Abstract
No abstract record available.
Inventors
- 👤 Maurel G Burwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:07
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/18; F24H1/186; F24H9/00; F24H9/18; F24H9/1809; F24H9/1832; F24H9/1836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1382495A
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US1681377A
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US1689935A
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GB200392A
Cited
US1512480A
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US1594975A
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US1687101A
Cited
US1952456A
Cited
US2041683A
Cited
US2084287A
Cited
US2098489A
Cited
US2263031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |