US2465697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-fired water heater
Assignee: Individual
•
Filing: 1944-09-28
•
Granted: 1949-03-29
•
Expires: 1964-09-28
Abstract
No abstract record available.
Inventors
- 👤 Peet Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:23
CPC Classifications
F; F23; F23N; F23N1/00; F23N1/08; F23N1/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL36831C
Cited
US1528038A
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US681018A
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US799670A
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US1114877A
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US1594726A
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US2034123A
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US2060452A
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GB436779A
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CH190367A
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US2258590A
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US2274017A
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CH216299A
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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) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |