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Patent US3542903A successfully refreshed from Google Patents.
US3542903A
Expired / Lapsed
US
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Composite polyether-polyester elastic fibers
Assignee: Monsanto Co
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Filing: 1966-05-26
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Granted: 1970-11-24
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Expires: 1986-05-26
Abstract
No abstract record available.
Inventors
- 👤 Nicholas R Congiundi
- 👤 Lloyd T Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:01
CPC Classifications
C; C08; C08L; C08L75/00; C08L75/04; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/24995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2929804A
Cited
US2998403A
Cited
US3186971A
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US3097192A
Cited
FR1359969A
Cited
US3284539A
Cited
US3361844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |