US3595952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam conditioning of polyamide filament
Assignee: EIDP Inc
•
Filing: 1968-04-05
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Granted: 1971-07-27
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Expires: 1988-04-05
Abstract
Abstract POLYAMIDE MONOFILAMENT IS EXPOSED TO SATURATED STEAM AT A PRESSURE OF 20 TO 90 P.S.I.G. FOR 0.010 TO 5 SECONDS TO IMPROVE THE KNOT STRENGTH OF THE MONOFILAMENT.
Inventors
- 👤 Nolan Davidson Boyer
- 👤 John Edward Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:05
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/01; D06M11/05; D01; D01F; D01F6/00; D01F6/58; D01F6/60; D01F6/78; D01F6/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |