US2486148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating element
Assignee: Blue Ridge Glass Corp
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Filing: 1946-03-19
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Granted: 1949-10-25
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Expires: 1966-03-19
Abstract
No abstract record available.
Inventors
- 👤 Glynn Theodore William
- 👤 Venable Charles Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:42
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; H05B3/265; F; F24; F24D; F24D13/00; F24D13/02; H05B3/84; Y; Y02; Y02B; Y02B30/00; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24752; Y10T428/24802; Y10T428/24917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |