US2612877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stove or furnace for heating water
Assignee: Individual
•
Filing: 1949-10-25
•
Granted: 1952-10-07
•
Expires: 1969-10-25
Abstract
No abstract record available.
Inventors
- 👤 Cubitt Rowland George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:50
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/18; F24H9/1809; F24H9/1832; F24H9/1845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US504635A
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US513244A
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US552911A
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US1146743A
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US905366A
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US1042036A
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US1000038A
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US1501847A
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US2295781A
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US2340431A
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US2534377A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |