US3559255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threading device for yarn heaters
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-07-12
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Granted: 1971-02-02
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Expires: 1988-07-12
Abstract
Abstract A TWO-SIDED CONTACT HEATER FOR ONE OR MORE THREADLINES IS THREADED UP BY MEANS OF A GUIDE DEVICE TRAVELING ORBITALLY AROUND THE HEATER ON AN ENDLESS CHAIN.
Inventors
- 👤 Christopher Hugh John Cockroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:28
CPC Classifications
D; D02; D02J; D02J13/00; D02J13/003
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 |