US3798699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic tufted constructions
Assignee: TUCEL IND INC US
•
Filing: 1971-06-17
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Granted: 1974-03-26
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Expires: 1991-06-17
Abstract
Abstract Tufted brush construction comprising pretrimmed synthetic filament tufts fused at one end and attached to adjacent tufts by a connector means. The base of each tuft and the connector means are embedded into a foam composition to support the tufted mat construction.
Inventors
- 👤 J Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:04
CPC Classifications
A; A46; A46B; A46B3/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
77 words
A tufted modular brush construction comprising: a plurality of mutually spaced, synthetic filament tufts, each tuft comprising a plurality of synthetic filaments extending from a prefused homogeneous mass of said filamentary material; a flexible filamentary connector embedded in and extending laterally through said prefused masses to interconnect said mutually spaced tufts; a cured synthetic foam base surrounding said connector and at least a portion of said prefused masses, said base supporting said tufts in a preselected configuration.
Claim 2
Dependent Claim
77 words
A tufted modular brush construction comprising: a plurality of mutually spaced, synthetic filament tufts, each tuft comprising a plurality of synthetic filaments extending from a prefused homogeneous mass of said filamentary material; a flexible filamentary connector embedded in and extending laterally through said prefused masses to interconnect said mutually spaced tufts; a cured synthetic foam base surrounding said connector and at least a portion of said prefused masses, said base supporting said tufts in a preselected configuration.
Claim 3
Dependent Claim
16 words
The tufted modular brush construction of claim 1 wherein said connector is a synthetic filament web.
Claim 4
Dependent Claim
12 words
The brush construction of claim 2 wherein said web filaments are polypropylene.
Claim 5
Dependent Claim
27 words
The tufted modular brush construction of claim 1 wherein the base is a material selected from the group consisting of polyester-based polyurethane foam and polyether-based polyurethane foam.
Claim 6
Dependent Claim
13 words
The brush construction of claim 1 wherein the cured foam base is flexible.
Claim 7
Dependent Claim
14 words
The tufted brush construction of claim 1 wherein the cured foam base is rigid.
Claim 8
Dependent Claim
26 words
The tufted brush construction of claim 1 wherein the foam base is cured in a contoured configuration to support said tufts in a circular brush construction.
Claim 9
Dependent Claim
24 words
The tufted modular brush construction of claim 1 wherein the foam base is cured to support said tufts in a flat brush mat configuration.
References Cited (Backward Citations)
CA522672A
Cited
US2576546A
Cited
US3072945A
Cited
US3053575A
Cited
US3256546A
Cited
US3584328A
Cited
US3641610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |