US2584302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating device
Assignee: Individual
•
Filing: 1950-04-06
•
Granted: 1952-02-05
•
Expires: 1970-04-06
Abstract
No abstract record available.
Inventors
- 👤 Stein Shachno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:41
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1594053A
Cited
US1758213A
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US1997899A
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US2032294A
Cited
US2294010A
Cited
US2277772A
Cited
US2323478A
Cited
US2342744A
Cited
US2467447A
Cited
US2411677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |