US2460207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating system
Assignee: Bendix Aviation Corp
•
Filing: 1944-05-15
•
Granted: 1949-01-25
•
Expires: 1964-05-15
Abstract
No abstract record available.
Inventors
- 👤 Emil O Wirth
- 👤 Barfod Frederik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:24
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2064; F24H9/2085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041833A
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US1379178A
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US1583238A
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US2136235A
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US2262825A
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US2292830A
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US2236914A
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US2213656A
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US2308887A
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US2286853A
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US2329473A
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US2286856A
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US2381591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |