US2945355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacity control of refrigeration system
Assignee: Heat X Inc
•
Filing: 1955-12-20
•
Granted: 1960-07-19
•
Expires: 1975-12-20
Abstract
No abstract record available.
Inventors
- 👤 Boling Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:00
CPC Classifications
F; F25; F25B; F25B1/00; F25B41/00; F25B41/20; F25B41/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1112672A
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US2051971A
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US2249074A
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US2244376A
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US2311622A
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US2388556A
Cited
US2573684A
Cited
US2614394A
Cited
US2715992A
Cited
US2707868A
Cited
US2801523A
Cited
US2770104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |