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Patent US3492805A successfully refreshed from Google Patents.
US3492805A
Expired / Lapsed
US
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Staple acrylic yarns for threads and cordage
Assignee: Monsanto Co
•
Filing: 1968-02-16
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Granted: 1970-02-03
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Expires: 1988-02-16
Abstract
No abstract record available.
Inventors
- 👤 Witold R Kocay
- 👤 James B Denmark
- 👤 Allen H Farr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:21
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; Y; Y10; Y10S; Y10S57/00; Y10S57/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2455173A
Cited
US2628405A
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US2766505A
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US2976578A
Cited
US3302385A
Cited
US3330896A
Cited
US3175029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |