Patent US3231908A successfully refreshed from Google Patents.
US3231908A
Expired / Lapsed
US
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Carpet dyeing method and apparatus
Assignee: California Weavers Inc
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Filing: 1962-08-28
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Granted: 1966-02-01
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Kelen Steven
- 👤 Mand Emery Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:31
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD OF DYEING A LONG LENGTH OF CARPET CHARACTERIZED BY THE STEPS OF: PLACING A BODY OF DYE SOLUTION IN A TANK; JOINING THE ENDS OF THE CARPET TOGETHER TO MAKE A CONTINUOUS STRIP OF CARPET AND CONTINUOUSLY RUNNING THE CARPET STRIP THROUGH THE WATER BY CONTINUOUSLY WITHDRAWING AND RETURNING A LOOP OF THE CARPET STRIP WITH THE MAJOR PORTION OF THE CARPET STRIP SUBMERGED IN THE TANK AT ALL TIMES; AND CONTINUOUSLY CIRCULATING THE DYE SOLUTION BY CONTINUOUSLY PUMPING A PORTION OF THE DYE SOLUTION OUT OF THE TANK AND RETURNING THE DYE SOLUTION IN THE FORM OF NUMEROUS JET STREAMS ABOVE THE LIQUID LEVEL OF THE BODY OF SOLUTION DIRECTED DOWNWARD AGAINST THE PORTION OF THE SUBMERGED CARPET IN THE TANK TO KEEP THE PORTION SUBMERGED,
Claim 2
Independent Claim
129 words
A METHOD OF DYEING A LONG LENGTH OF CARPET CHARACTERIZED BY THE STEPS OF: PLACING A BODY OF DYE SOLUTION IN A TANK; JOINING THE ENDS OF THE CARPET TOGETHER TO MAKE A CONTINUOUS STRIP OF CARPET AND CONTINUOUSLY RUNNING THE CARPET STRIP THROUGH THE WATER BY CONTINUOUSLY WITHDRAWING AND RETURNING A LOOP OF THE CARPET STRIP WITH THE MAJOR PORTION OF THE CARPET STRIP SUBMERGED IN THE TANK AT ALL TIMES; AND CONTINUOUSLY CIRCULATING THE DYE SOLUTION BY CONTINUOUSLY PUMPING A PORTION OF THE DYE SOLUTION OUT OF THE TANK AND RETURNING THE DYE SOLUTION IN THE FORM OF NUMEROUS JET STREAMS ABOVE THE LIQUID LEVEL OF THE BODY OF SOLUTION DIRECTED DOWNWARD AGAINST THE PORTION OF THE SUBMERGED CARPET IN THE TANK TO KEEP THE PORTION SUBMERGED,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |