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US2617007A
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US
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Electric thread heater
Assignee: Akzo Nobel UK PLC
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Filing: 1950-03-08
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Granted: 1952-11-04
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Expires: 1970-03-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Atkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:39
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/001; D; D02; D02J; D02J1/00; D02J1/22; D02J1/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2085128A
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US2041029A
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US2166379A
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US2236998A
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US2266569A
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US2420399A
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US2440159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |