US2988866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of lowshrinkage polyethylene terephthalate threads
Assignee: Glanzstoff AG
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Filing: 1959-06-10
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Granted: 1961-06-20
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Kleekamm Fritz
- 👤 Siggel Erhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:25
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/229; D01; D01F; D01F6/00; D01F6/58; D01F6/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
APPARATUS FOR PROCESSING SYNTHETIC POLYMER THREADS COMPRISING A BAR, MEANS FOR HEATING SAID BAR TO A PREDETERMINED TEMPERATURE, A SECOND BAR, MEANS FOR HEATING SAID SECOND BAR TO A PREDETERMINED TEMPERATURE, A ROTATABLY DRIVEN ROLLER HAVING A FIRST GROUP OF A PLURALITY OF CIRCULAR GROOVES, EACH OF EQUAL DIAMETER, AND A SECOND GROUP OF A PLURALITY OF CIRCULAR GROOVES, EACH OF EQUAL DIAMETER WHICH IS LESS THAN THE FIRST-MENTIONED DIAMETER, AND A SECOND ROLLER POSITIONED ADJACENT SAID ROTATABLY DRIVEN ROLLER IN SUBSTANTIALLY PARALLEL RELATIONSHIP, WHEREBY SAID ROTATABLY DRIVEN ROLLER IS ADAPTED TO DRAW THREADS
Claim 2
Dependent Claim
94 words
APPARATUS FOR PROCESSING SYNTHETIC POLYMER THREADS COMPRISING A BAR, MEANS FOR HEATING SAID BAR TO A PREDETERMINED TEMPERATURE, A SECOND BAR, MEANS FOR HEATING SAID SECOND BAR TO A PREDETERMINED TEMPERATURE, A ROTATABLY DRIVEN ROLLER HAVING A FIRST GROUP OF A PLURALITY OF CIRCULAR GROOVES, EACH OF EQUAL DIAMETER, AND A SECOND GROUP OF A PLURALITY OF CIRCULAR GROOVES, EACH OF EQUAL DIAMETER WHICH IS LESS THAN THE FIRST-MENTIONED DIAMETER, AND A SECOND ROLLER POSITIONED ADJACENT SAID ROTATABLY DRIVEN ROLLER IN SUBSTANTIALLY PARALLEL RELATIONSHIP, WHEREBY SAID ROTATABLY DRIVEN ROLLER IS ADAPTED TO DRAW THREADS
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |