Patent US3220198A successfully refreshed from Google Patents.
US3220198A
Expired / Lapsed
US
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Thermoelectric refrigerating appliances
Assignee: SEG Hausgeraete GmbH
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Filing: 1962-01-16
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Granted: 1965-11-30
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Expires: 1982-01-16
Abstract
No abstract record available.
Inventors
- 👤 Muller Heinz
- 👤 Muller Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:18
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; F25B2321/00; F25B2321/02; F25B2321/021; F25B2321/0212; F25B2321/023; F25D; F25D11/00; F25D2400/00; F25D2400/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377824A
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US1726631A
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US2518344A
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US2932953A
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US2872788A
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US2922284A
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US2970450A
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US2986009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |