US3218691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn treating device
Assignee: Individual
•
Filing: 1963-05-15
•
Granted: 1965-11-23
•
Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 Robert L Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:00
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/10; D06B1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN APPLICATOR ROLLER ADAPTED TO ROTATE PARTIALLY SUBMERGED IN A LIQUID BATH TO FINISH FOR APPLYING THE FINISH TO A TEXTILE YARN IN TANGENTIAL CONTACT WITH THE UPPER PART OF SAID ROLLER AS IT ROTATES, SAID APPLICATOR ROLLER COMPRISING A BODY OF SUBSTANTIALLY CIRCULAR OUTLINE WITH RESPECT TO AN AXIS OF ROTATION, SAID ROLLER HAVING A PERIPHERY FORMED OF TWO FRUSTO-CONICAL SECTIONS WITH THEIR SMALLER ENDS FACED TOWARD EACH OTHER AND WITH A SHALLOW CIRCUMFERENTIAL GROOVE OF ARCUATE CROSS-SECTION BETWEEN THE TWO FRUSTOCONICAL SECTIONS, THE SURFACE OF SAID GROOVE BEING INTERRUPTED BY A MULTIPLICITY OF RELATIVELY SMALL SERRATIONS EXTENDING CROSSWISE OF THE GROOVE AND SUFFICIENTLY SMALL TO RETAIN FINISH THEREIN BY CAPILLARY ACTION UNTIL THE FINISH IN EACH SERRATION SUCCESSIVELY MAKES CONTACT WITH A YARN LYING IN SAID SHALLOW GROOVE IN TANGENTIAL RELATION TO THE ROLLER.
Claim 2
Dependent Claim
136 words
AN APPLICATOR ROLLER ADAPTED TO ROTATE PARTIALLY SUBMERGED IN A LIQUID BATH TO FINISH FOR APPLYING THE FINISH TO A TEXTILE YARN IN TANGENTIAL CONTACT WITH THE UPPER PART OF SAID ROLLER AS IT ROTATES, SAID APPLICATOR ROLLER COMPRISING A BODY OF SUBSTANTIALLY CIRCULAR OUTLINE WITH RESPECT TO AN AXIS OF ROTATION, SAID ROLLER HAVING A PERIPHERY FORMED OF TWO FRUSTO-CONICAL SECTIONS WITH THEIR SMALLER ENDS FACED TOWARD EACH OTHER AND WITH A SHALLOW CIRCUMFERENTIAL GROOVE OF ARCUATE CROSS-SECTION BETWEEN THE TWO FRUSTOCONICAL SECTIONS, THE SURFACE OF SAID GROOVE BEING INTERRUPTED BY A MULTIPLICITY OF RELATIVELY SMALL SERRATIONS EXTENDING CROSSWISE OF THE GROOVE AND SUFFICIENTLY SMALL TO RETAIN FINISH THEREIN BY CAPILLARY ACTION UNTIL THE FINISH IN EACH SERRATION SUCCESSIVELY MAKES CONTACT WITH A YARN LYING IN SAID SHALLOW GROOVE IN TANGENTIAL RELATION TO THE ROLLER.
References Cited (Backward Citations)
US663689A
Cited
US1144597A
Cited
US1547959A
Cited
US1700571A
Cited
US2377980A
Cited
US2512221A
Cited
US2788717A
Cited
US2726433A
Cited
US2822600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |