US3431395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric water heater circuit
Assignee: General Electric Co
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Filing: 1967-08-02
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Granted: 1969-03-04
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Expires: 1987-08-02
Abstract
No abstract record available.
Inventors
- 👤 John L Mcclure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:31
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0213; F; F24; F24H; F24H15/00; F24H15/10; F24H15/174; F24H15/20; F24H15/212; F24H15/223; F24H15/225; F24H15/30; F24H15/355; F24H15/37; F24H9/00; F24H9/20; F24H9/2007; F24H9/2014; F24H9/2021
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |