US3379808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for fibrillating synthetic thermoplastic yarn
Assignee: Monsanto Co
•
Filing: 1964-12-14
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Granted: 1968-04-23
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Euell K Mcintosh
- 👤 James R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:53
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; B; B03; B03B; B03B5/00; B03B5/28; B03B5/30; B03B5/32; B03B5/34; Y; Y10; Y10S; Y10S264/00; Y10S264/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1962683A
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US2284182A
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US2380363A
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US2371075A
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US2385358A
Cited
US3161557A
Cited
US3146492A
Cited
US3096563A
Cited
US3141051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |