US3624997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning combing roller arrange-ment for a suction spinning chamber
Assignee: Vyzkumny Ustav Bavlnarsky AS
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Filing: 1969-11-20
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Granted: 1971-12-07
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Expires: 1989-11-20
Abstract
Abstract A COMBING ROLLER WHICH SUPPLIES FIBERS TO A ROTARY SUCTION SPINNING CHAMBER, HAS LATERAL FLANGES WITH PERIPHERAL PROJECTIONS GENERATING AIR CURRENTS INHIBITING FIBER ACCUMULATIONS IN LATERAL GAPS FORMED BETWEEN LATERAL CONVEX OR CONCAVE FACES OF THE COMBING ROLLER, AND MATCHING SURFACES OF A SUPPORTING BODY.
Inventors
- 👤 Stanislav Didek
- 👤 Stanislav Kabele
- 👤 Milos Vecera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:10
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/30; D01H4/32
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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |