US3124859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn drawing apparatus
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:44
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/12; E05C17/24; D; D02; D02J; D02J1/00; D02J1/22; D02J1/222
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
138 words
APPARATUS FOR DRAWING SYNTHETIC YAARNS, SUCH APPARTUS COMPRISING A BOILER FOR PRODUCING VAPORS FROM A SUITABLE LIQUID, A VAPOR TREATMENT CHAMBER COMMUNICATING WITH SAID BOILER SO AS TO RECEIVE THEREFROM VAPORS PRODUCED THEREIN, A CONDENSER POSITIONED ABOVE THE VAPOR TREATMENT CHAMBER SO AS TO RECEIVE VAPOR PASSING OUT FROM SAID CHAMBER AND COMMUNICATING WITH THE BOILER SO THAT VAPORS CONDENSED IN THE CONDENSER RETURN TO THE BOILER, A FEED DEVICE ADAPTED TO RECEIVE YARN AND POSITIONED TO FEED SUCH YARN INTO SAID VAPOR TREATMENT CHAMBER AT A LINEAR VELOCITY V1, MEANS WITHIN THE VAPOR TREATMENT CHAMBER FOR GUIDING YARN RECEIVED FROM SAID FEED DEVICE THROUGH THE VAPOR IN SAID CHAMBER AND A DRAWING MEANS POSITIONED TO RECEIVE YARN FROM SAID GUIDE MEANS AND WITHDRAW YARN FROM THE VAPOR TREATMENT CHAMBER AT A LINEAR VELOCITY NOT LESS THAN 3V1.
Claim 2
Dependent Claim
138 words
APPARATUS FOR DRAWING SYNTHETIC YAARNS, SUCH APPARTUS COMPRISING A BOILER FOR PRODUCING VAPORS FROM A SUITABLE LIQUID, A VAPOR TREATMENT CHAMBER COMMUNICATING WITH SAID BOILER SO AS TO RECEIVE THEREFROM VAPORS PRODUCED THEREIN, A CONDENSER POSITIONED ABOVE THE VAPOR TREATMENT CHAMBER SO AS TO RECEIVE VAPOR PASSING OUT FROM SAID CHAMBER AND COMMUNICATING WITH THE BOILER SO THAT VAPORS CONDENSED IN THE CONDENSER RETURN TO THE BOILER, A FEED DEVICE ADAPTED TO RECEIVE YARN AND POSITIONED TO FEED SUCH YARN INTO SAID VAPOR TREATMENT CHAMBER AT A LINEAR VELOCITY V1, MEANS WITHIN THE VAPOR TREATMENT CHAMBER FOR GUIDING YARN RECEIVED FROM SAID FEED DEVICE THROUGH THE VAPOR IN SAID CHAMBER AND A DRAWING MEANS POSITIONED TO RECEIVE YARN FROM SAID GUIDE MEANS AND WITHDRAW YARN FROM THE VAPOR TREATMENT CHAMBER AT A LINEAR VELOCITY NOT LESS THAN 3V1.
Claim 3
Dependent Claim
52 words
APPARATUS FOR USE IN THE DRAWING OF SYNTHETIC YARNS, SUCH APPARATUS COMPRISING A VAPOR TREATMENT CHAMBER, A BOILER CONSTRUCTED AND ARRANGED TO SUPPLY VAPORS OF A SUITABLE LIQUID TO THE VAPOR TREATMENT CHAMBER, A CONDENSER POSITIONED ABOVE THE VAPOR TREATMENT CHAMBER SO THAT VAPOR FROM THE LATTER PASSES INTO THE CONDENSER AND
Claim 4
Dependent Claim
52 words
APPARATUS FOR USE IN THE DRAWING OF SYNTHETIC YARNS, SUCH APPARATUS COMPRISING A VAPOR TREATMENT CHAMBER, A BOILER CONSTRUCTED AND ARRANGED TO SUPPLY VAPORS OF A SUITABLE LIQUID TO THE VAPOR TREATMENT CHAMBER, A CONDENSER POSITIONED ABOVE THE VAPOR TREATMENT CHAMBER SO THAT VAPOR FROM THE LATTER PASSES INTO THE CONDENSER AND
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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |