US2614514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant plate and baffle for heating burners
Assignee: JOHN H JERRED
•
Filing: 1949-01-27
•
Granted: 1952-10-21
•
Expires: 1969-01-27
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Martindale
- 👤 Fabian E Janquart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:06
CPC Classifications
F; F24; F24C; F24C15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US828330A
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US1039319A
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US1827294A
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US1995003A
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US2073270A
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US2136837A
Cited
US2266551A
Cited
US2306443A
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US2304706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |