Patent US2998194A successfully refreshed from Google Patents.
US2998194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning and air distributing structure
Assignee: Hospitality Homes
•
Filing: 1957-03-29
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Granted: 1961-08-29
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Expires: 1977-03-29
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Curran
- 👤 Glenn E Kautz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:15
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0173; F; F24; F24D; F24D5/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/8593; Y10T137/87571
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1623444A
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US1504620A
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GB253317A
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US1971801A
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US2158787A
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US2312251A
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US2456094A
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US2793812A
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US2896850A
Cited
FR1118819A
Cited
US2821343A
Cited
US2906287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |