US3370410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning device
Assignee: Caron Spinning Co
•
Filing: 1965-01-29
•
Granted: 1968-02-27
•
Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Mckew Marshall
- 👤 Zelus S Delong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:51
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/04; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/367
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A CORE-SPINNING DEVICE, COMPRISING, IN COMBINATION: A DRAFTING SYSTEM WITH THE FIBER PATH INCLINED FORWARDLY DOWNWARDLY AND INCLUDING A SET OF FRONT ROLLS PROVIDING A NIP BETWEEN THEM AND WITH THE UPPER FRONT ROLL DISPOSED FORWARDLY OF THE LOWER FRONT ROLL; A SYSTEM FOR FEEDING A ROVING TO SAID DRAFTING SYSTEM; A CORE YARN FEEDING SYSTEM; AND FREELY MOVABLE GUIDE MEANS DISPOSED IMMEDIATELY ADJACENT AND BEHIND THE NIP OF THE FRONT ROLLS FOR POSITIVELY GUIDING A DRAFTED ROVING AND A CORE YARN TO-
Claim 2
Dependent Claim
83 words
A CORE-SPINNING DEVICE, COMPRISING, IN COMBINATION: A DRAFTING SYSTEM WITH THE FIBER PATH INCLINED FORWARDLY DOWNWARDLY AND INCLUDING A SET OF FRONT ROLLS PROVIDING A NIP BETWEEN THEM AND WITH THE UPPER FRONT ROLL DISPOSED FORWARDLY OF THE LOWER FRONT ROLL; A SYSTEM FOR FEEDING A ROVING TO SAID DRAFTING SYSTEM; A CORE YARN FEEDING SYSTEM; AND FREELY MOVABLE GUIDE MEANS DISPOSED IMMEDIATELY ADJACENT AND BEHIND THE NIP OF THE FRONT ROLLS FOR POSITIVELY GUIDING A DRAFTED ROVING AND A CORE YARN TO-
References Cited (Backward Citations)
US2358656A
Cited
US3020697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |