Patent US2835449A successfully refreshed from Google Patents.
US2835449A
Expired / Lapsed
US
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Air blender for air conditioning having temperature and pressure control
Assignee: Honeywell Inc
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Filing: 1953-06-26
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Granted: 1958-05-20
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Expires: 1973-06-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Joesting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:47
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/185; G05D23/1852; F; F24; F24F; F24F13/00; F24F13/02; F24F13/04; F24F3/00; F24F3/044; F24F3/048; F24F3/052; F24F3/0522; G05D23/01; G05D23/13; G05D23/138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US699352A
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GB253317A
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US2062437A
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US2220176A
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US2266217A
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US2508074A
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US2507621A
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US2620983A
Cited
US2710724A
Cited
US2793812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |