US2443500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor capacity control for air conditioning systems
Assignee: Carrier Corp
•
Filing: 1944-05-10
•
Granted: 1948-06-15
•
Expires: 1964-05-10
Abstract
No abstract record available.
Inventors
- 👤 Merrill B Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:15
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0007; F24F5/001; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/315; F25B49/00; F25B49/02; F25B49/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2276814A
Cited
US2344215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |