Patent US3374616A successfully refreshed from Google Patents.
US3374616A
Expired / Lapsed
US
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Doffing machine
Assignee: Celanese Corp
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Filing: 1965-09-30
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Granted: 1968-03-26
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 William P Hidden
- 👤 Gregory C Kekopoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:27
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/02; D01H9/08; D01H9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A DOFFING MACHINE FOR OPERATING SEQUENTIALLY AT SUCCESSIVE WINDING STATIONS OF A MULTISTATION WINDING MACHINE AT EACH STATION OF WHICH A STRAND IS WOUND ONTO A PACKAGE WHILE BEING TRAVERSING ALONG THE LENGTH OF SAID PACKAGE BY TRAVERSING MEANS MOVING BACK AND FORTH ALONG THE PACKAGE, SAID DOFFING MACHINE BEING MOVABLE FROM WINDING STATION TO WINDING STATION DURING ITS SEQUENTIAL OPERATION, MEANS, CARRIED BY SAID DOFFING MACHINE, FOR PERFORMING AT LEAST ONE PORTION OF A PACKAGE DOFFING CYCLE WHILE SAID TRAVERSING MEANS CONTINUES ITS BACK-AND-FORTH MOVEMENT, AND MEANS RESPONSIVE TO THE POSITON OF THE TRAVERSING MEANS AT A WINDING STATION FOR INITIATING OPERATION AT SAID STATION OF SAID DOFF-PERFORMING MEANS.
Claim 2
Dependent Claim
110 words
A DOFFING MACHINE FOR OPERATING SEQUENTIALLY AT SUCCESSIVE WINDING STATIONS OF A MULTISTATION WINDING MACHINE AT EACH STATION OF WHICH A STRAND IS WOUND ONTO A PACKAGE WHILE BEING TRAVERSING ALONG THE LENGTH OF SAID PACKAGE BY TRAVERSING MEANS MOVING BACK AND FORTH ALONG THE PACKAGE, SAID DOFFING MACHINE BEING MOVABLE FROM WINDING STATION TO WINDING STATION DURING ITS SEQUENTIAL OPERATION, MEANS, CARRIED BY SAID DOFFING MACHINE, FOR PERFORMING AT LEAST ONE PORTION OF A PACKAGE DOFFING CYCLE WHILE SAID TRAVERSING MEANS CONTINUES ITS BACK-AND-FORTH MOVEMENT, AND MEANS RESPONSIVE TO THE POSITON OF THE TRAVERSING MEANS AT A WINDING STATION FOR INITIATING OPERATION AT SAID STATION OF SAID DOFF-PERFORMING MEANS.
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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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |