Patent US2793007A successfully refreshed from Google Patents.
US2793007A
Expired / Lapsed
US
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Baseboard radiator structure
Assignee: NAT U S RADIATOR CORP
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Filing: 1954-08-25
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Granted: 1957-05-21
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Expires: 1974-08-25
Abstract
No abstract record available.
Inventors
- 👤 Gilmer L Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:46
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/02; F24D19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US447297A
Cited
US1547350A
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US1637047A
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US2539293A
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US2477824A
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US2656156A
Cited
US2722403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |