Patent US3045097A successfully refreshed from Google Patents.
US3045097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater
Assignee: Individual
•
Filing: 1959-06-01
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Granted: 1962-07-17
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Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 William W Sellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:12
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/10; H05B3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US838885A
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GB258352A
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GB303606A
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GB316463A
Cited
GB321503A
Cited
US1782825A
Cited
FR721405A
Cited
GB503495A
Cited
DE893531C
Cited
US2536747A
Cited
US2685021A
Cited
US2817740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |