Patent US4701887A successfully refreshed from Google Patents.
Patent US2724577A successfully refreshed from Google Patents.
US2724577A
Expired / Lapsed
US
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Automatically controlled refrigerating apparatus with heating means
Assignee: Motors Liquidation Co
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Filing: 1952-07-08
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Granted: 1955-11-22
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Expires: 1972-07-08
Abstract
No abstract record available.
Inventors
- 👤 John M Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:49
CPC Classifications
F; F25; F25D; F25D11/00; F25D11/02; F25D11/022; F25B; F25B2500/00; F25B2500/31; F25D2400/00; F25D2400/04; F25D2400/34; F25D2700/00; F25D2700/10; F25D2700/12
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) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |