US3401626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quartz radiant heater
Assignee: JERRY S AMALFITANO
•
Filing: 1966-02-21
•
Granted: 1968-09-17
•
Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jerry S Amalfitano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:36
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/06; A; A47; A47J; A47J37/00; A47J37/04; A47J37/044; H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0071; H05B3/0076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1271577A
Cited
US1628554A
Cited
US2226036A
Cited
US2243492A
Cited
US2185979A
Cited
US2615113A
Cited
US3189729A
Cited
US3291036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |