US3303857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loom with pneumatic picking means
Assignee: Individual
•
Filing: 1965-12-08
•
Granted: 1967-02-14
•
Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 Scheffel Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:59
CPC Classifications
D; D03; D03D; D03D47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A LOOM WITH PNEUMATIC WEFT PICKING, THE COMBINATION OF, A STORAGE TUBE COMPRISING A SLOTTED TUBE AND A NON-SLOTTED TUBE ON EACH SIDE OF A FABRIC BEING FORMED, THE SLOTTED AND NON-SLOTTED TUBES OF EACH PAIR BEING INTERCONNECTED AND HAVING A BEGINNING FACING THE FEED BOBBIN IN MANNER WHEREBY THE TOTAL LENGTH OF THE SLOTTED TUBE COINCIDES IN THE SAME WAY AS THE TOTAL LENGTH OF THE NON-SLOTTED TUBE WITH THE LENGTH OF THE WEFT THREAD PORTION OF THE ACTUAL WEAVING WIDTH, A THREAD CUTTER AT THE ENTRANCE END OF EACH SAID STORAGE TUBE, A SEMICIRCULAR ROLLER DISPOSED AT EACH SIDE OF THE FABRIC BEING FORMED FOR DETERMINING THE LENGTH OF A WEFT THREAD OF DOUBLE THE WEAVING WIDTH TO BE DRAWN OFF, A PRESSURE ROLLER DISPOSED OPPOSITE EACH SAID ROLLER, THE LENGTH OF THE HALF ARC OF SAID ROLLER COINCIDING WITH THE LENGTH OF THE THREAD PORTION OF DOUBLE THE WEAVING WIDTH TO BE DRAWN OFF, THE SEMICIRCULAR ROLLERS OF THE PAIR BEING OFFSET ANGULARLY BY 90 DEGREES WITH RESPECT TO EACH OTHER.
Claim 2
Dependent Claim
175 words
IN A LOOM WITH PNEUMATIC WEFT PICKING, THE COMBINATION OF, A STORAGE TUBE COMPRISING A SLOTTED TUBE AND A NON-SLOTTED TUBE ON EACH SIDE OF A FABRIC BEING FORMED, THE SLOTTED AND NON-SLOTTED TUBES OF EACH PAIR BEING INTERCONNECTED AND HAVING A BEGINNING FACING THE FEED BOBBIN IN MANNER WHEREBY THE TOTAL LENGTH OF THE SLOTTED TUBE COINCIDES IN THE SAME WAY AS THE TOTAL LENGTH OF THE NON-SLOTTED TUBE WITH THE LENGTH OF THE WEFT THREAD PORTION OF THE ACTUAL WEAVING WIDTH, A THREAD CUTTER AT THE ENTRANCE END OF EACH SAID STORAGE TUBE, A SEMICIRCULAR ROLLER DISPOSED AT EACH SIDE OF THE FABRIC BEING FORMED FOR DETERMINING THE LENGTH OF A WEFT THREAD OF DOUBLE THE WEAVING WIDTH TO BE DRAWN OFF, A PRESSURE ROLLER DISPOSED OPPOSITE EACH SAID ROLLER, THE LENGTH OF THE HALF ARC OF SAID ROLLER COINCIDING WITH THE LENGTH OF THE THREAD PORTION OF DOUBLE THE WEAVING WIDTH TO BE DRAWN OFF, THE SEMICIRCULAR ROLLERS OF THE PAIR BEING OFFSET ANGULARLY BY 90 DEGREES WITH RESPECT TO EACH OTHER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |