US3144187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread conveyor
Assignee: Wyeth Holdings LLC
•
Filing: 1962-03-01
•
Granted: 1964-08-11
•
Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert O Naumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:15
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0481; B; B65; B65H; B65H51/00; B65H51/16; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S264/00; Y10S264/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THREAD-CONVEYING APPARATUS COMPRISING AN ELONGATED TUBE HAVING A LOWER OPEN INLET END AND AN UPPER OPEN OUTLET END AND JET MEANS FOR INTRODUCING GAS AT HIGH VELOCITY INTO SAID TUBE NEAR SAID INLET END DIRECTED UPWARDLY TOWARD SAID OUTLET END TO THEREBY INDUCE A SUCTION AT THE INLET END OF SAID TUBE, SAID TUBE FLARING OUTWARDLY FROM A REGION ON THE SIDE OF SAID JET MEANS REMOTE FROM SAID INLET END TO SAID OUTLET END.
Claim 2
Dependent Claim
75 words
THREAD-CONVEYING APPARATUS COMPRISING AN ELONGATED TUBE HAVING A LOWER OPEN INLET END AND AN UPPER OPEN OUTLET END AND JET MEANS FOR INTRODUCING GAS AT HIGH VELOCITY INTO SAID TUBE NEAR SAID INLET END DIRECTED UPWARDLY TOWARD SAID OUTLET END TO THEREBY INDUCE A SUCTION AT THE INLET END OF SAID TUBE, SAID TUBE FLARING OUTWARDLY FROM A REGION ON THE SIDE OF SAID JET MEANS REMOTE FROM SAID INLET END TO SAID OUTLET END.
References Cited (Backward Citations)
US2173789A
Cited
US2622961A
Cited
US2634491A
Cited
US2622306A
Cited
US2885257A
Cited
US3051364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |