US3026401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric defroster
Assignee: Individual
•
Filing: 1959-10-12
•
Granted: 1962-03-20
•
Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Wayne F Cheviron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/84; B; B60; B60S; B60S1/00; B60S1/02; B60S1/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US447143A
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US1465292A
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US1475162A
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US1838812A
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US1819443A
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US1995769A
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US1868905A
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US2133078A
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US2475910A
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US2546355A
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US2614201A
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US2718037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |