US2597267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator having an evaporator provided with a movable section
Assignee: Lanteris Space LLC
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Filing: 1949-11-29
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Granted: 1952-05-20
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Expires: 1969-11-29
Abstract
No abstract record available.
Inventors
- 👤 Malcolm G Shoemaker
- 👤 Jr Elmer W Zearfoss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:46
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/02; F25D23/025; F25D11/00; F25D11/02; F25B; F25B2500/00; F25B2500/01; F25B39/00; F25B39/02; F25D2400/00; F25D2400/16; F25D25/00; F25D25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1706891A
Cited
US2145562A
Cited
US2110002A
Cited
US2231012A
Cited
US2255459A
Cited
US2511127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |