Patent US3175350A successfully refreshed from Google Patents.
US3175350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring rail lowering apparatus
Assignee: Individual
•
Filing: 1963-06-18
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Granted: 1965-03-30
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Expires: 1983-06-18
Abstract
No abstract record available.
Inventors
- 👤 Sr Carroll B Powell
- 👤 Charles N Morelock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:02
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A YARN SPINNING AND WINDING APPARATUS OF THE CLASS IN WHICH A VERTICALLY MOVABLE RING RAIL IS LOWERED AGAINST THE OPPOSING FORCE OF A YIELDABLE MECHANISM, THE COMBINATION WITH SAID APPARATUS OF A FLUID PRESSURE ACTUATED DEVICE OPERATIVELY CONNECTED TO SAID RING RAIL TO APPLY LOWERING FORCE THERETO WHEN ACTUATED BY THE ADMISSION OF PRESSURIZED FLUID TO THE DEVICE, MEANS COMMUNICATING WITH SAID DEVICE FOR SUPPLYING PRESSURIZED FLUID THERETO AT A PREDETERMINED PRESSURE SLIGHTLY LESS THAN THAT REQUIRED TO CAUSE LOWERING OF THE RING RAIL, VALVE MEANS SELECTIVEL OPERABLE TO ADMIT SAID PRESSURED FLUID TO SAID DEVICE, AND MANUALLY OPERABLE MEANS OPERATIVELY CONNECTED TO THE RING RAIL FOR APPLYING A MANUAL LOWERING
Claim 2
Dependent Claim
113 words
IN A YARN SPINNING AND WINDING APPARATUS OF THE CLASS IN WHICH A VERTICALLY MOVABLE RING RAIL IS LOWERED AGAINST THE OPPOSING FORCE OF A YIELDABLE MECHANISM, THE COMBINATION WITH SAID APPARATUS OF A FLUID PRESSURE ACTUATED DEVICE OPERATIVELY CONNECTED TO SAID RING RAIL TO APPLY LOWERING FORCE THERETO WHEN ACTUATED BY THE ADMISSION OF PRESSURIZED FLUID TO THE DEVICE, MEANS COMMUNICATING WITH SAID DEVICE FOR SUPPLYING PRESSURIZED FLUID THERETO AT A PREDETERMINED PRESSURE SLIGHTLY LESS THAN THAT REQUIRED TO CAUSE LOWERING OF THE RING RAIL, VALVE MEANS SELECTIVEL OPERABLE TO ADMIT SAID PRESSURED FLUID TO SAID DEVICE, AND MANUALLY OPERABLE MEANS OPERATIVELY CONNECTED TO THE RING RAIL FOR APPLYING A MANUAL LOWERING
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |