US3077657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonwoven fabric
Assignee: Crompton and Knowles Corp
•
Filing: 1962-02-19
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Granted: 1963-02-19
•
Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Richard D Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:34
CPC Classifications
D; D04; D04H; D04H18/00; D04H1/00; D04H1/70; D04H1/74; D04H18/02; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A NONWOVEN FABRIC FORMED FROM A WEB OF LOOSELY ASSEMBLED FIBERS HAVING LENGTHWISE TRANSVERSELY SPACED COILED GROUPS OF FIBERS FORMING YARN-LIKE STRUCTURES ON OPPOSITE SIDES OF THE WEB AND HAVING SOME OF ITS FIBERS COILED INTO TWO OF SAID STRUCTURES ON OPPOSITE SIDES OF THE WEB.
Claim 2
Dependent Claim
46 words
A NONWOVEN FABRIC FORMED FROM A WEB OF LOOSELY ASSEMBLED FIBERS HAVING LENGTHWISE TRANSVERSELY SPACED COILED GROUPS OF FIBERS FORMING YARN-LIKE STRUCTURES ON OPPOSITE SIDES OF THE WEB AND HAVING SOME OF ITS FIBERS COILED INTO TWO OF SAID STRUCTURES ON OPPOSITE SIDES OF THE WEB.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |