Patent US2832331A successfully refreshed from Google Patents.
US2832331A
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US
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Radiant heater and broiler
Assignee: American Infra Red Radiant Co Inc
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Filing: 1955-02-17
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Granted: 1958-04-29
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Expires: 1975-02-17
Abstract
No abstract record available.
Inventors
- 👤 Treu Rheinisch-Westfo Resision
- 👤 Franken Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:15
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/08; F24C3/082; A; A47; A47J; A47J37/00; A47J37/10; A47J37/101; A47J37/103; F24C15/00; F24C15/24; F24C3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511790A
Cited
US627955A
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US1552335A
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US1528948A
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US1677156A
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US1838653A
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US2631216A
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US2652104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |