Patent US3822734A successfully refreshed from Google Patents.
US3822734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hooking-on profiles for the attachment of wall covering fabrics
Assignee: Individual
•
Filing: 1973-03-05
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Granted: 1974-07-09
•
Expires: 1993-03-05
Abstract
Abstract Improvements to fixed and mobile elements for the hooking-on of wall cloths, consisting in providing said elements with at least one zone covered with protrusions in order to promote the adherence between the cloth and aforesaid hooking-on elements.
Inventors
- 👤 G Tombu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:39
CPC Classifications
B; B44; B44C; B44C7/00; B44C7/02; B44C7/022; F; F16; F16B; F16B2/00; F16B2/20
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
208 words
A device for securing an edge of a flexible sheet, for example a fabric, to a wall surface, comprising: a first elongated member having parallel longitudinal edges defining, respectively, a first portion of a separable hinge and a first locking portion, said first member having a rear face provided with means for securing the same to said wall surface and having a front face between said hinge and locking portions provided with at least one zone of protrusions; a second elongated member having parallel longitudinal edges defining, respectively, a second portion of said separable hinge, releasably engageable with said first portion on said first member, and a second locking portion cooperable with said first locking portion; said second member having at least one zone of protrusions on one face thereof, whereby said first and second hinge portions may be engaged, an edge portion of said flexible sheet may be positioned on the protrusions of said second member and said second member may then be hingedly pivoted relative to said first member to a position to clamp said edge of said sheet therebetween to be engaged and held by the protrusions of said members; said first and second locking portions cooperating to hold said members in said last-named position.
Claim 2
Independent Claim
208 words
A device for securing an edge of a flexible sheet, for example a fabric, to a wall surface, comprising: a first elongated member having parallel longitudinal edges defining, respectively, a first portion of a separable hinge and a first locking portion, said first member having a rear face provided with means for securing the same to said wall surface and having a front face between said hinge and locking portions provided with at least one zone of protrusions; a second elongated member having parallel longitudinal edges defining, respectively, a second portion of said separable hinge, releasably engageable with said first portion on said first member, and a second locking portion cooperable with said first locking portion; said second member having at least one zone of protrusions on one face thereof, whereby said first and second hinge portions may be engaged, an edge portion of said flexible sheet may be positioned on the protrusions of said second member and said second member may then be hingedly pivoted relative to said first member to a position to clamp said edge of said sheet therebetween to be engaged and held by the protrusions of said members; said first and second locking portions cooperating to hold said members in said last-named position.
Claim 3
Dependent Claim
24 words
A device as defined in claim 1 wherein the other face of said second member is provided with at least one zone of protrusions.
Claim 4
Dependent Claim
40 words
A device as defined in claim 1 wherein said zone of protrusions on said one face of said second member is opposite a zone of said first member not provided with protrusions when said members are in said last-named position.
Claim 5
Dependent Claim
34 words
A device as defined in claim 1 wherein said zone of protrusions on said first member is between two zones of protrusions on said second member when said members are in said last-named position.
Claim 6
Dependent Claim
35 words
A device as defined in claim 1 wherein said first member is provided with two zones of protrusions facing two zones of protrusions on said second member when said members are in said last-named position.
Claim 7
Dependent Claim
21 words
A device as defined in claim 1 wherein said protrusions comprise burrs extending from the edges of openings through said members.
Claim 8
Dependent Claim
22 words
A device as defined in claim 1 wherein said protrusions comprise burrs extending from the edges of triangular openings through said members.
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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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |