Patent US3467744A successfully refreshed from Google Patents.
US3467744A
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Process for flash spinning polypropylene plexifilament
Assignee: EIDP Inc
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Filing: 1968-10-15
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Granted: 1969-09-16
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Expires: 1988-10-15
Abstract
No abstract record available.
Inventors
- 👤 Rudolph Woodell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:06
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/11; D01D5/04; D01F; D01F6/00; D01F6/02; D01F6/04; D01F6/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3102865A
Cited
US3227784A
Cited
US3227664A
Cited
US3081519A
Cited
US3346682A
Cited
US3227794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |