Patent US3560178A successfully refreshed from Google Patents.
US3560178A
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Fiber producing apparatus with break out control means
Assignee: PPG Industries Inc
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Filing: 1968-07-09
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Granted: 1971-02-02
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Expires: 1988-07-09
Abstract
Abstract A RESILIENT ELEMENT IN A MERCURY SWITCH IS ATTRACTED BY A MAGNET ATTACHED TO A WEIGHTED ARM OF A PIVOTED GATHERING SHOE WHICH GROUPS FILAMENTS INTO A STRAND TO COMPLETE THE ELECTRICAL CIRCUIT FOR THE WINDER MOTORS AND TRAVERSE. UPON BREAK-OUT OF THE STRAND, THE SHOE PIVOTS, THE MERCURY SWITCH IS OPENED AND THE WINDER AND TRAVERSE MOTORS ARE ELECTRICALLY DISCONECTED AND STOP OPERATING.
Inventors
- 👤 Jackson D Minkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:51
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/03; B; B65; B65H; B65H63/00; B65H63/02; B65H63/024; B65H63/028; B65H63/032; B65H63/0321; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S242/00; Y10S242/92
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |