Patent US3587961A successfully refreshed from Google Patents.
US3587961A
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US
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Yarn delivery mechanism
Assignee: Heberlein Patent Corp
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Filing: 1968-07-15
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Granted: 1971-06-28
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Expires: 1988-07-15
Abstract
Abstract APPARATUS FOR DELIVERY OF YARN TO TEXTILE TREATING MACHINES COMPRISING MEANS FOR BRINGING INTERACTING ROLLER TOGETHER AT EQUAL SURFACE SPEEDS, MAINTAINING SAME TOGETHER AT CONSTANT PRESENT PRESSURE, AND ALLOWING SEPARATION OF SAME IN THE EVENT OF SERIOUS IRREGULARITIES IN YARN DELIVERY.
Inventors
- 👤 Helmut Ritter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:53
CPC Classifications
B; B65; B65H; B65H51/00; B65H51/02; B65H51/04; B65H51/08; B65H51/10; B65H2701/00; B65H2701/30; B65H2701/31
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |