US3231941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carding apparatus
Assignee: Ashworth Bros Inc
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Filing: 1962-10-23
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Granted: 1966-02-01
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Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:24
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/46; D01G15/48; D01G15/84; D01G15/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN AN APPARATUS FOR CARDING TEXTILE FIBERS A DOFFER ROLL, A COMB COOPERABLE WITH SAID DOFFER ROLL TO SEPARATE THE FIBERS FROM THE SURFACE OF SAID ROLL, AND A PLURALITY OF SPACED ROWS OF RIGID METALLIC TEETH MOUNTED ON THE SURFACE OF SAID ROLL AND DEFINING CHANNELS THEREBETWEEN EXTENDING IN THE DIRECTION OF MOVEMENT OF THE TEETH, EACH OF SAID TEETH HAVING A TIP, FRONT AND REAR EDGES AND A PAIR OF SIDE FACES GENERALLY PARALLEL TO SAID ROWS, THE FACES OF SAID TEETH ON ONE SIDE OF EACH OF SAID CHANNELS HAVING WORKING SURFACES DEFINING A PLURALITY OF
Claim 2
Dependent Claim
99 words
IN AN APPARATUS FOR CARDING TEXTILE FIBERS A DOFFER ROLL, A COMB COOPERABLE WITH SAID DOFFER ROLL TO SEPARATE THE FIBERS FROM THE SURFACE OF SAID ROLL, AND A PLURALITY OF SPACED ROWS OF RIGID METALLIC TEETH MOUNTED ON THE SURFACE OF SAID ROLL AND DEFINING CHANNELS THEREBETWEEN EXTENDING IN THE DIRECTION OF MOVEMENT OF THE TEETH, EACH OF SAID TEETH HAVING A TIP, FRONT AND REAR EDGES AND A PAIR OF SIDE FACES GENERALLY PARALLEL TO SAID ROWS, THE FACES OF SAID TEETH ON ONE SIDE OF EACH OF SAID CHANNELS HAVING WORKING SURFACES DEFINING A PLURALITY OF
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) | 1969-01-31 | 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 |