US2968834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of voluminous yarns
Assignee: Acordis UK Ltd
•
Filing: 1957-04-22
•
Granted: 1961-01-24
•
Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 Groombridge Denis William
- 👤 Hawtin Selwyn George
- 👤 Downing John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:23
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/22; D01D4/00; D01D4/02; D01D5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A MULTI-HOLE SPINNING JET IN WHICH SOME OF THE SPINNING ORIFICES ARE OF A FIRST TYPE AND SOME OF A SECOND TYPE, THE LENGTH OF THE ORIFICES OF SAID FIRST TYPE IN A DIRECTION AT RIGHT ANGLES TO THE FACE OF SAID JET BEING GREATER THAN THE CORRESPONDING LENGTH OF THE ORIFICES OF SAID SECOND TYPE AND THE CROSS SECTION OF THE ORIFICES OF THE SECOND TYPE BEING LESS THAN THAT OF THE CROSS SECTION OF THE ORIFICES OF THE FIRST TYPE.
Claim 2
Dependent Claim
82 words
A MULTI-HOLE SPINNING JET IN WHICH SOME OF THE SPINNING ORIFICES ARE OF A FIRST TYPE AND SOME OF A SECOND TYPE, THE LENGTH OF THE ORIFICES OF SAID FIRST TYPE IN A DIRECTION AT RIGHT ANGLES TO THE FACE OF SAID JET BEING GREATER THAN THE CORRESPONDING LENGTH OF THE ORIFICES OF SAID SECOND TYPE AND THE CROSS SECTION OF THE ORIFICES OF THE SECOND TYPE BEING LESS THAN THAT OF THE CROSS SECTION OF THE ORIFICES OF THE FIRST TYPE.
References Cited (Backward Citations)
FR655606A
Cited
US1964659A
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US2234763A
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US2262871A
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US2242988A
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US2369395A
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US2366278A
Cited
US2408713A
Cited
US2461094A
Cited
US2588583A
Cited
US2750653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |