Patent US3489832A successfully refreshed from Google Patents.
US3489832A
Expired / Lapsed
US
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Continuous spinning and drawing of polycaproamide yarn
Assignee: Honeywell International Inc
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Filing: 1967-04-28
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Granted: 1970-01-13
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Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 James I Bruton
- 👤 Lloyd D Caison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:45
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/088; D01D5/092; D01F; D01F6/00; D01F6/58; D01F6/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2273105A
Cited
US2991147A
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US2957747A
Cited
US3118012A
Cited
US3257487A
Cited
US3271943A
Cited
US3389429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |