Patent US3153271A successfully refreshed from Google Patents.
US3153271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn crimping apparatus
Assignee: Akzona Inc
•
Filing: 1962-11-28
•
Granted: 1964-10-20
•
Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Eshuis Jannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:26
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A STUFFER-BOX CRIMPING APPARATUS HAVING FEED ROLLERS AND A CRIMPING TUBE POSITIONED DIRECTLY ADJACENT THERETO WHEREBY SLITS ARE FORMED BETWEEN SAID TUBE AND THE CIRCUMFERENTIAL SURFACES OF SAID ROLLERS, THE IMPROVEMENT COMPRISING A FABRIC SLEEVE SLIDABLY MOUNTED AROUNG THE OUTER SURFACE OF SAID CRIMPING TUBE WHEREBY THE SLEEVE MAY BE MOVED TO A POSITION BLOCKING SAID SLITS AND PREVENTING YARN FROM PASSING THERETHROUGH DURING START UP OF THE APPARTUS.
Claim 2
Dependent Claim
70 words
IN A STUFFER-BOX CRIMPING APPARATUS HAVING FEED ROLLERS AND A CRIMPING TUBE POSITIONED DIRECTLY ADJACENT THERETO WHEREBY SLITS ARE FORMED BETWEEN SAID TUBE AND THE CIRCUMFERENTIAL SURFACES OF SAID ROLLERS, THE IMPROVEMENT COMPRISING A FABRIC SLEEVE SLIDABLY MOUNTED AROUNG THE OUTER SURFACE OF SAID CRIMPING TUBE WHEREBY THE SLEEVE MAY BE MOVED TO A POSITION BLOCKING SAID SLITS AND PREVENTING YARN FROM PASSING THERETHROUGH DURING START UP OF THE APPARTUS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |