Patent US3331402A successfully refreshed from Google Patents.
US3331402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Looms with means for correcting weft thread distortion
Assignee: Sulzer AG
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Filing: 1965-06-22
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Granted: 1967-07-18
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Kathriner Josef
- 👤 Haberkern Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:45
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/04; D03D49/20; D03J; D03J1/00; D03J1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A LOOM HAVING FABRIC TAKE-UP MEANS AND TEMPLES HAVING EACH A LENGTH EXTENDING FROM A SELVAGE OF THE FABRIC PART-WAY TOWARD THE OTHER OF SAID TEMPLES, THE IMPROVEMENT WHICH COMPRISES A GUIDE OVER WHICH THE FABRIC PASSES WITH A CHANGE OF DIRECTION IN ITS PASSAGE FROM THE TEMPLES TO THE TAKE-UP MEANS, SAID GUIDE HAVING A LENGTH GREATER THAN THE SEPARATION OF THE ADJACENT ENDS OF SAID TEMPLES AND HAVING A CONVEX SUBSTANTIALLY CYLINDRICAL SURFACE OVER A CENTRAL PORTION OF THE GUIDE OF LENGTH SUBSTANTIALLY EQUAL TO THE SEPARATION OF SAID TEMPLES AND HAVING A SURFACE RELIEVED BELOW SAID CYLINDRICAL SURFACE OVER EACH OF THE TWO END PORTIONS OF SAID GUIDE, SAID RELIEVED SURFACES BEING CONVEX IN SECTIONS PERPENDICULAR TO THE ELEMENTS OF SAID CYLINDRICAL SURFACE AND BEING CONCAVE IN SECTIONS PARALLEL TO SAID ELEMENTS.
Claim 2
Dependent Claim
136 words
IN A LOOM HAVING FABRIC TAKE-UP MEANS AND TEMPLES HAVING EACH A LENGTH EXTENDING FROM A SELVAGE OF THE FABRIC PART-WAY TOWARD THE OTHER OF SAID TEMPLES, THE IMPROVEMENT WHICH COMPRISES A GUIDE OVER WHICH THE FABRIC PASSES WITH A CHANGE OF DIRECTION IN ITS PASSAGE FROM THE TEMPLES TO THE TAKE-UP MEANS, SAID GUIDE HAVING A LENGTH GREATER THAN THE SEPARATION OF THE ADJACENT ENDS OF SAID TEMPLES AND HAVING A CONVEX SUBSTANTIALLY CYLINDRICAL SURFACE OVER A CENTRAL PORTION OF THE GUIDE OF LENGTH SUBSTANTIALLY EQUAL TO THE SEPARATION OF SAID TEMPLES AND HAVING A SURFACE RELIEVED BELOW SAID CYLINDRICAL SURFACE OVER EACH OF THE TWO END PORTIONS OF SAID GUIDE, SAID RELIEVED SURFACES BEING CONVEX IN SECTIONS PERPENDICULAR TO THE ELEMENTS OF SAID CYLINDRICAL SURFACE AND BEING CONCAVE IN SECTIONS PARALLEL TO SAID ELEMENTS.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |