US2664244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning control apparatus
Assignee: Phillips Petroleum Co
•
Filing: 1950-05-16
•
Granted: 1953-12-29
•
Expires: 1970-05-16
Abstract
No abstract record available.
Inventors
- 👤 Miller Enoch Merle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:22
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/30; F24F11/88
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2132960A
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US2036277A
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US2177597A
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US2196687A
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US2269036A
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US2274614A
Cited
US2294210A
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US2437726A
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US2418395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |