Patent US2628078A successfully refreshed from Google Patents.
US2628078A
Expired / Lapsed
US
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Radiant heating panel
Assignee: Republic Steel Corp
•
Filing: 1946-10-19
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Granted: 1953-02-10
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Expires: 1966-10-19
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang W Krauss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:36
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/12; F24D3/16; F24D3/165; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB337038A
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US2098717A
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US2109655A
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US2153320A
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US2112631A
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US2172771A
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US2100957A
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US2182686A
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US2206631A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |