US2480404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable thermoelectric generator
Assignee: Eaton Corp
•
Filing: 1944-02-09
•
Granted: 1949-08-30
•
Expires: 1964-02-09
Abstract
No abstract record available.
Inventors
- 👤 Howard J Findley
- 👤 Robert D Beatty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:53
CPC Classifications
H; H10; H10N; H10N10/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151568A
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US1304088A
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US781289A
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GB217012A
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GB233810A
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FR604799A
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US1677029A
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US1954542A
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US2015610A
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US2197818A
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US2280353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |