Patent USRE27499E successfully refreshed from Google Patents.
USRE27499E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning apparatus utilizing airstream
Assignee: —
•
Filing: 1970-11-19
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Granted: 1972-10-03
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Expires: 1990-11-19
Abstract
Abstract APPARATUS FOR CONTINOUS SPINNING UTILIZING AN AIRSTREAM ISSUING INTO A SPINNING CHAMBER. SAID SPINNING CHAMBER HAVING OPPOSITELY FORMED INCLINED WALLS WHICH FORM A V AN SAID APPARATUS HAVING A GUIDE TUBE FOR DEPOSITING OPENED SLIVER-LIKE FIBER IN SAID V-SHAPED AREA. THE SPINNING CHAMBER HAVING VANES AT THE TOP THEREOF TO FACILITATE DISCHARGE OF AIR TOWARD A SUCTION BOX CONNECTED TO A SOURCE OF NEGATIVE PRESSURE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:49
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/04; D01H4/08; D01H4/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |