US2705362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for winding yarn
Assignee: Celanese Corp
•
Filing: 1950-06-03
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Granted: 1955-04-05
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Expires: 1970-06-03
Abstract
No abstract record available.
Inventors
- 👤 Robert H Roughsedge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:43
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/16; B65H2511/00; B65H2511/10; B65H2511/14; B65H2555/00; B65H2555/10; B65H2555/13; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
IN APPARATUS FOR WINDING YARN, THE COMBINATION WITH ELECTRICALLY-OPERATED MEANS FOR HALTING THE OPERATION OF SAID APPARATUS, OF A DEVICE FOR APPLYING TENSION TO YARN MOVING THROUGH SAID APPARATUS, SAID DEVICE COMPRISING A ROTATABLE WHEEL AROUND WHICH THE YARN IS TRAINED, A COIL FOR PRODUCING A MAGNETIC FIELD WHEN ELECTRICAL CURRENT IS CAUSED TO FLOW THROUGH SAID COIL AND AN ELECTRICAL CONDUCTOR MOVABLE RELATIVE TO SAID COIL ON ROTATION OF SAID WHEEL BY THE TRAVELLING YARN TO APPLY A BRAKING FORCE TO SAID WHEEL WHEREBY TENSION IS APPLIED TO THE YARN, MEANS FOR IMPRESSING A VOLTAGE ON SAID COIL, MEANS FOR CHANGING THE VOLTAGE IMPRESSED ON SAID COIL WHEN SAID MEANS FOR HALTING THE OPERATION OF SAID APPARATUS IS ACTUATED, AND MEANS FOR VARYING THE CHANGE IN VOLTAGE IMPRESSED ON SAID COIL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |