US3448185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melt-spinning of filaments
Assignee: Monsanto Co
•
Filing: 1967-03-28
•
Granted: 1969-06-03
•
Expires: 1987-03-28
Abstract
No abstract record available.
Inventors
- 👤 James G Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:49
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/088; D01D5/0885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1560965A
Cited
US2437687A
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US2437704A
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US3051992A
Cited
US3243275A
Cited
US3347959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |