Patent US3296680A successfully refreshed from Google Patents.
US3296680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating and advancing filamentary material
Assignee: British Nylon Spinners Ltd
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Filing: 1964-09-14
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Granted: 1967-01-10
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Iwnicki Kurt
- 👤 Thomas James Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:58
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
APPARATUS FOR TREATING AND ADVANCING FILAMENTARY MATERIAL CONSISTING OF (A) INNER AND OUTER CLYINDRICAL MEMBERS DEFINING BETWEEN THEM AN ANNULAR SPACE IN WHICH FILAMENTARY MATERIAL IS TO BE TREATED, AT LEAST ONE OF SAID MEMBERS BEING ADAPTED FOR ROTATION ABOUT ITS AXIS, AND (B) MEANS CLOSING ONE END OF SAID ANNULAR SPACE, THE INWARDLY-FACING SIDE OF WHICH MEANS IN PROVIDED WITH
Claim 2
Dependent Claim
61 words
APPARATUS FOR TREATING AND ADVANCING FILAMENTARY MATERIAL CONSISTING OF (A) INNER AND OUTER CLYINDRICAL MEMBERS DEFINING BETWEEN THEM AN ANNULAR SPACE IN WHICH FILAMENTARY MATERIAL IS TO BE TREATED, AT LEAST ONE OF SAID MEMBERS BEING ADAPTED FOR ROTATION ABOUT ITS AXIS, AND (B) MEANS CLOSING ONE END OF SAID ANNULAR SPACE, THE INWARDLY-FACING SIDE OF WHICH MEANS IN PROVIDED WITH
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |