Patent US3009684A successfully refreshed from Google Patents.
US3009684A
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Apparatus and method of conditioning the stream of incoming air by the thermodynamic exchange with separate streams of other air
Assignee: Individual
•
Filing: 1955-10-25
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Granted: 1961-11-21
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Expires: 1975-10-25
Abstract
No abstract record available.
Inventors
- 👤 Munters Carl Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:46
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1423; F24F2003/1458; F24F2003/1464; F24F2203/00; F24F2203/10; F24F2203/1004; F24F2203/1016; F24F2203/1032; F24F2203/104; F24F2203/1056; F24F2203/106; F24F2203/1064; F24F2203/1076; F24F2203/1084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2286920A
Cited
US2700537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |