US3303546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating filamentary material in a fluid
Assignee: British Nylon Spinners Ltd
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Filing: 1964-07-22
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Granted: 1967-02-14
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Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 Victor Bruce Van Blerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:07
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12; D02G1/122; D02G1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
APPARATUS FOR TREATING FILAMENTARY MATERIAL IN A FLUID, COMPRISING (A) A CONDUIT FOR A FLUID UNDER PRESSURE, (B) MEANS FOR ENTRAINING FILAMENTARY MATERIAL WITHIN SAID CONDUIT, (C) MEANS DEFINING A CHAMBER LEADING OUT OF SAID CONDUIT DOWNSTREAM THEREOF AND LOCATED WITHIN A TUBULAR MEMBER, SAID CHAMBER HAVING A MEAN DIAMETER GREATER THAN THAT OF SAID CONDUIT,
Claim 2
Dependent Claim
56 words
APPARATUS FOR TREATING FILAMENTARY MATERIAL IN A FLUID, COMPRISING (A) A CONDUIT FOR A FLUID UNDER PRESSURE, (B) MEANS FOR ENTRAINING FILAMENTARY MATERIAL WITHIN SAID CONDUIT, (C) MEANS DEFINING A CHAMBER LEADING OUT OF SAID CONDUIT DOWNSTREAM THEREOF AND LOCATED WITHIN A TUBULAR MEMBER, SAID CHAMBER HAVING A MEAN DIAMETER GREATER THAN THAT OF SAID CONDUIT,
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) | 1970-02-13 | 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 |