US3401000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domed screen radiant burner
Assignee: Caloric Corp
•
Filing: 1966-06-29
•
Granted: 1968-09-10
•
Expires: 1986-06-29
Abstract
No abstract record available.
Inventors
- 👤 Spaonara Domenick
- 👤 Edward M Redstreake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:24
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/04; F23C2700/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US361161A
Cited
US386984A
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US1486665A
Cited
US1643607A
Cited
US3129749A
Cited
US2829874A
Cited
US3029866A
Cited
US3188366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |