Patent US5034345A successfully refreshed from Google Patents.
Patent US2697333A successfully refreshed from Google Patents.
US2697333A
Expired / Lapsed
US
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Combination refrigerator and space cooler
Assignee: Individual
•
Filing: 1952-11-14
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Granted: 1954-12-21
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Expires: 1972-11-14
Abstract
No abstract record available.
Inventors
- 👤 Henry L Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:40
CPC Classifications
F; F24; F24F; F24F5/00; F24F5/0096; F25; F25D; F25D23/00; F25D23/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US676950A
Cited
US2124268A
Cited
US1891167A
Cited
US2046009A
Cited
US2120830A
Cited
US2249772A
Cited
US2610349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |