Patent US3414698A successfully refreshed from Google Patents.
US3414698A
Expired / Lapsed
US
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High voltage transformer type heater for heating fluids
Assignee: General Electric Co
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Filing: 1965-10-27
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Granted: 1968-12-03
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Expires: 1985-10-27
Abstract
No abstract record available.
Inventors
- 👤 Burnice D Bedford
- 👤 George W Kessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:02
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/105; H05B6/108; F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; F24H1/105
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |