Patent US3502415A successfully refreshed from Google Patents.
US3577607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable fastening fabric
Assignee: IKOMA ORIMONO CO Ltd
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Filing: 1968-06-13
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Granted: 1971-05-04
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Expires: 1988-06-13
Abstract
Abstract A separable fastening fabric for engagement of a first and second fabric in face-to-face relation comprising a number of fiber loops in the shape of curved bridges outstanding from the first fabric and a number of engaging projections outstanding from the second fabric which engage to said fiber loops, two feet of each fiber loop being fixed onto the first fabric with an interval from each foot, said fiber loops being crossed zigzag one another. Owing to the above-mentioned structure, two fabrics of the separable fastening fabric easily engage, the engaging strength is high and also durability of the separable fastening fabric is long.
Inventors
- 👤 Yasaburo Ikoma
- 👤 Ikuta Yabu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
A; A44; A44B; A44B18/00; A44B18/0023; Y; Y10; Y10T; Y10T24/00; Y10T24/27; Y10T24/2733; Y10T24/2775
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
77 words
A separable fastening fabric for engagement of a first and second fabric in face-to-face relation comprising a number of fiber loops in the shape of curved bridges outstanding from the first fabric and a number of engaging projections outstanding from the second fabric which engage said fiber loops, each of said fiber loops including a pair of feet being fixed to the first fabric with a predetermined interval therebetween, said fiber loops being crossed zigzag one another.
Claim 2
Dependent Claim
77 words
A separable fastening fabric for engagement of a first and second fabric in face-to-face relation comprising a number of fiber loops in the shape of curved bridges outstanding from the first fabric and a number of engaging projections outstanding from the second fabric which engage said fiber loops, each of said fiber loops including a pair of feet being fixed to the first fabric with a predetermined interval therebetween, said fiber loops being crossed zigzag one another.
Claim 3
Dependent Claim
17 words
A separable fastening fabric according to claim 1 in which the first fabric is a crocheted one.
Claim 4
Dependent Claim
17 words
A separable fastening fabric according to claim 1 in which the first fabric is a woven one.
Claim 5
Dependent Claim
20 words
A separable fastening fabric according to claim 1 in which the engaging projections are formed in the shape of mushrooms.
Claim 6
Dependent Claim
17 words
A separable fastening fabric according to claim 1 in which the engaging projections are formed as hooks.
Claim 7
Dependent Claim
18 words
A separable fastening fabric according to claim 1 in which the fastening fabric is made of synthetic fibers.
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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |