US2656156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseboard radiator
Assignee: Individual
•
Filing: 1950-05-01
•
Granted: 1953-10-20
•
Expires: 1970-05-01
Abstract
No abstract record available.
Inventors
- 👤 Chester M Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:38
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/02; F24D19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1620632A
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US1855565A
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US1885537A
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US1882452A
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US1970945A
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US1971841A
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US2241864A
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US2516871A
Cited
US2487287A
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US2501147A
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US2539293A
Cited
US2477824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |