Patent US3143845A successfully refreshed from Google Patents.
US3143845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning funnel
Assignee: FMC Corp
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Filing: 1962-05-18
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Granted: 1964-08-11
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jack C Binford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:55
CPC Classifications
D; D01; D01D; D01D7/00; D01D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A RAYON SPINNING FUNNEL COMPRISING A TOP PORTION ADAPTED TO BE ENGAGED WITH THE TRAVERSE MECHANISM OF A SPINNING MACHINE, A BOTTOM TUBULAR PORTION ADAPTED TO EXTEND INTO A SPINNING BOX, SAID TUBULAR PORTION BEING CONSIDERABLY LONGER THAN SAID TOP PORTION, AND RESILIENT MEANS RELEASABLY CONNECTING THE TUBULAR PORTION OF THE FUNNEL TO THE TOP PORTION, SAID MEANS BEING SO CONSTRUCTED AND ARRANGED THAT A PULL EXERTED LONGITUDINALLY OF THE FUNNEL WILL SEPARATE THE TOP AND BOTTOM PORTIONS THEREOF.
Claim 2
Dependent Claim
79 words
A RAYON SPINNING FUNNEL COMPRISING A TOP PORTION ADAPTED TO BE ENGAGED WITH THE TRAVERSE MECHANISM OF A SPINNING MACHINE, A BOTTOM TUBULAR PORTION ADAPTED TO EXTEND INTO A SPINNING BOX, SAID TUBULAR PORTION BEING CONSIDERABLY LONGER THAN SAID TOP PORTION, AND RESILIENT MEANS RELEASABLY CONNECTING THE TUBULAR PORTION OF THE FUNNEL TO THE TOP PORTION, SAID MEANS BEING SO CONSTRUCTED AND ARRANGED THAT A PULL EXERTED LONGITUDINALLY OF THE FUNNEL WILL SEPARATE THE TOP AND BOTTOM PORTIONS THEREOF.
References Cited (Backward Citations)
GB126263A
Cited
US1990556A
Cited
US2052731A
Cited
US2425182A
Cited
US2592562A
Cited
US2812958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |