US3073515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetic compressor assembly for heat pump application
Assignee: Copeland Refrigeration Corp
•
Filing: 1960-03-02
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Granted: 1963-01-15
•
Expires: 1980-03-02
Abstract
No abstract record available.
Inventors
- 👤 Emil T Neubauer
- 👤 Thomas W Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:41
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/006; F25B31/00; F25B31/002; F25B31/004; Y; Y10; Y10S; Y10S417/00; Y10S417/902
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |