US2841133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant heater and toaster
Assignee: American Infra Red Radiant Co Inc
•
Filing: 1955-03-07
•
Granted: 1958-07-01
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Treu Rheinisch-Westfa Revision
- 👤 Franken Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:48
CPC Classifications
F; F23; F23C; F23C99/00; F24; F24C; F24C3/00; F24C3/04; F24C3/06; F24C3/062; F23C2700/00; F23C2700/04; F23C2700/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US585815A
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US1304755A
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FR540190A
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US1567691A
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US1677156A
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US1878140A
Cited
US1841542A
Cited
US1867110A
Cited
GB488709A
Cited
GB574767A
Cited
FR1070317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |