US3553802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strand crimping
Assignee: Techniservice Corp
•
Filing: 1968-04-04
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Granted: 1971-01-12
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Expires: 1988-04-04
Abstract
Abstract MULTIPLE-END STUFFER-CRIMPING OF TEXTILE STRANDS IS IMPROVED BY DEFLECTING THE SIDEMOST STRANDS LATERALLY AWAY FROM THE WALLS AND TOWARD THE INTERIOR OF THE STUFFING CHAMBER INSIDE THE ENTRANCE THEREOF. THE DEFLECTING MEANS ARE YIELDABLE IN NATURE AND CONVENIENTLY TAKE THE FORM OF LEAF SPRINGS OR BALLS BIASED BY COIL SPRINGS.
Inventors
- 👤 Robert K Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:34
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |