Patent US3232037A successfully refreshed from Google Patents.
US3232037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
False-twist spindle
Assignee: Ateliers Roannais de Constructions Textiles SA
•
Filing: 1964-04-24
•
Granted: 1966-02-01
•
Expires: 1984-04-24
Abstract
No abstract record available.
Inventors
- 👤 Crouzet Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:07
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
APPARATUS FOR ROTATING A SPINDLE, AT LEAST A PORTION OF WHICH IS OF MAGNETIC MATERIAL COMPRISING DRIVING MEANS HAVING AT LEAST ONE CONTINUOUS SPINDLE-ENGAGING SURFACE AND MAGNET MEANS DISPOSED EXTERNALLY OF THE DRIVING MEANS FOR HOLDING THE SPINDLE IN DRIVING ENGAGEMENT WITH THE SPINDLE-ENGAGING SURFACE OF THE DRIVING MEANS.
Claim 2
Dependent Claim
49 words
APPARATUS FOR ROTATING A SPINDLE, AT LEAST A PORTION OF WHICH IS OF MAGNETIC MATERIAL COMPRISING DRIVING MEANS HAVING AT LEAST ONE CONTINUOUS SPINDLE-ENGAGING SURFACE AND MAGNET MEANS DISPOSED EXTERNALLY OF THE DRIVING MEANS FOR HOLDING THE SPINDLE IN DRIVING ENGAGEMENT WITH THE SPINDLE-ENGAGING SURFACE OF THE DRIVING MEANS.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |