Patent US3523345A successfully refreshed from Google Patents.
US3523345A
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Yarn texturing method
Assignee: Phillips Petroleum Co
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Filing: 1967-12-18
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Granted: 1970-08-11
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 James K Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:43
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA763156A
Cited
GB808213A
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US3347036A
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US3047932A
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US3095630A
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US3176373A
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US3175196A
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GB1028979A
Cited
US3343207A
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US3292270A
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US3374302A
Cited
US3374514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |