Patent US3237593A successfully refreshed from Google Patents.
US3237593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control means for controlling the level in a size box
Assignee: JP Stevens and Co Inc
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Filing: 1962-01-19
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Granted: 1966-03-01
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Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
- 👤 Marvin N Trotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:44
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/24; D06B23/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A YARN SIZING APPARATUS OR SIMILAR DEVICE WHEREIN SIZE OR OTHER SOLUTION IS APPLIED TO A TRAVELING SHEET BY A ROTATING APPLICATOR ROLL THAT IS PARTIALLY IMMERSED IN A BATH OF SOLUTION AND ROTATES IN CONTACT WITH THE SHEET WITH ELECTRICL CONTROL MEANS CONTROLLING THE SPEED OF OPERATION AND HAVING A HIGH SPEED CIRCUIT AND A LOW SPEED CIRCUIT, AUTOMATIC CONTROL MEANS COMPRISING AN ELECTRICAL PROBE ELEMENT CONNECTED TO THE ELECTRICAL CONTROL MEANS AND EXTENDING INTO THE BATH TO A PREDETERMINED LOW LEVEL, SAID PROBE ELEMENT BEING ELECTRICALLY GROUNDED IN THE BATH WHEN THE LEVEL OF THE BATH IS ABOVE THE LOW LEVEL TO ENERGIZED THE HIGH SPEED CIRCUIT OF THE CONTROL MEANS FOR HIGH SPEED OPERATION, AND SAID GROUND CONNECTION BEING BROKEN WHEN THE LEVEL OF THE BATH FALLS BELOW THE LOW LEVEL TO DE-ENERGIZED THE HIGH SPEED CIRCUIT AND ENERGIZE THE LOW SPEED CIRCUIT.
Claim 2
Dependent Claim
147 words
IN A YARN SIZING APPARATUS OR SIMILAR DEVICE WHEREIN SIZE OR OTHER SOLUTION IS APPLIED TO A TRAVELING SHEET BY A ROTATING APPLICATOR ROLL THAT IS PARTIALLY IMMERSED IN A BATH OF SOLUTION AND ROTATES IN CONTACT WITH THE SHEET WITH ELECTRICL CONTROL MEANS CONTROLLING THE SPEED OF OPERATION AND HAVING A HIGH SPEED CIRCUIT AND A LOW SPEED CIRCUIT, AUTOMATIC CONTROL MEANS COMPRISING AN ELECTRICAL PROBE ELEMENT CONNECTED TO THE ELECTRICAL CONTROL MEANS AND EXTENDING INTO THE BATH TO A PREDETERMINED LOW LEVEL, SAID PROBE ELEMENT BEING ELECTRICALLY GROUNDED IN THE BATH WHEN THE LEVEL OF THE BATH IS ABOVE THE LOW LEVEL TO ENERGIZED THE HIGH SPEED CIRCUIT OF THE CONTROL MEANS FOR HIGH SPEED OPERATION, AND SAID GROUND CONNECTION BEING BROKEN WHEN THE LEVEL OF THE BATH FALLS BELOW THE LOW LEVEL TO DE-ENERGIZED THE HIGH SPEED CIRCUIT AND ENERGIZE THE LOW SPEED CIRCUIT.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |