US3009332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable output air conditioning unit and control arrangement therefor
Assignee: General Electric Co
•
Filing: 1960-09-16
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Granted: 1961-11-21
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Expires: 1980-09-16
Abstract
No abstract record available.
Inventors
- 👤 William G Spiegelhalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:03
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1912; F; F24; F24F; F24F1/00; F24F1/02; F24F1/03; F24F1/031; F24F11/00; F24F11/30; F24F11/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |