US2787136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil separation in refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1954-01-05
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Granted: 1957-04-02
•
Expires: 1974-01-05
Abstract
No abstract record available.
Inventors
- 👤 Clifford H Wurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:42
CPC Classifications
F; F25; F25B; F25B43/00; F25B43/02; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/265; Y; Y10; Y10S; Y10S417/00; Y10S417/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1352750A
Cited
US1732039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |