Patent US2809268A successfully refreshed from Google Patents.
US2809268A
Expired / Lapsed
US
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Flexible electrically heated hoses
Assignee: Individual
•
Filing: 1956-06-18
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Granted: 1957-10-08
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Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Heron Andrew George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:10
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/54; H05B3/58; F; F16; F16L; F16L53/00; F16L53/30; F16L53/35; F16L53/38; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1575152A
Cited
US1792352A
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US2135775A
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US2274839A
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US2451839A
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US2516864A
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US2758194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |