US3817294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curtain cloth
Assignee: Individual
•
Filing: 1971-12-13
•
Granted: 1974-06-18
•
Expires: 1991-12-13
Abstract
Abstract Curtain cloth of fabric or knitting fabric having a width which is the same length of curtains to be made therefrom and which includes many pouched parts at one edge thereof spaced apart at suitable intervals, into which hooks are inserted.
Inventors
- 👤 K Tsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:32
CPC Classifications
D; D03; D03D; D03D11/00; D03D11/02; D03D1/00; D10; D10B; D10B2503/00; D10B2503/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A curtain cloth made of a fabric having a width equal to the length of the curtain comprising a weave of warp threads and weft threads, said weave forming a main portion with a given pattern, and a plurality of elongated pouched elements located adjacent one edge of said fabric spaced apart from each other at suitable intervals and adapted to receive the shank portions of hooks, said pouched elements formed of a first layer of cloth formed of warp threads woven with weft threads and a second layer of cloth formed of warp threads woven with weft threads and spaced apart from said first layer forming a space therebetween, one of said first or second layers of cloth further including a portion adjacent one end thereof which is not woven but is formed only of weft threads to facilitate the insertion of the shanks of hooks into the space between said first and said second layers of cloth.
Claim 2
Dependent Claim
159 words
A curtain cloth made of a fabric having a width equal to the length of the curtain comprising a weave of warp threads and weft threads, said weave forming a main portion with a given pattern, and a plurality of elongated pouched elements located adjacent one edge of said fabric spaced apart from each other at suitable intervals and adapted to receive the shank portions of hooks, said pouched elements formed of a first layer of cloth formed of warp threads woven with weft threads and a second layer of cloth formed of warp threads woven with weft threads and spaced apart from said first layer forming a space therebetween, one of said first or second layers of cloth further including a portion adjacent one end thereof which is not woven but is formed only of weft threads to facilitate the insertion of the shanks of hooks into the space between said first and said second layers of cloth.
References Cited (Backward Citations)
US2904080A
Cited
US3335762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |