US2765391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick heat electric heating unit
Assignee: Tuttle & Kift Inc
•
Filing: 1953-11-18
•
Granted: 1956-10-02
•
Expires: 1973-11-18
Abstract
No abstract record available.
Inventors
- 👤 Jacob L Shroyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:52
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/10; F24C15/102; F24C15/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2575113A
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US1276589A
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US1393325A
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US1767249A
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US1510125A
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US2110727A
Cited
US2400672A
Cited
US2508552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |