Patent US2932360A successfully refreshed from Google Patents.
US2932360A
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US
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Apparatus for treating air
Assignee: Carrier Corp
•
Filing: 1956-04-02
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Granted: 1960-04-12
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Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Hungate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:26
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/08; B01D45/10; F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F6/00; F24F6/02; F24F6/06; F24F8/00; F24F8/10; F24F8/117; F24F8/133; F24F6/12; F24F6/14; F24F2006/146
Claims Analysis
Total Claims: 0
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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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |