US4663903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor covering structure
Assignee: REESE ENTERPRISES Inc A CORP OF MINNESOTA
•
Filing: 1986-06-27
•
Granted: 1987-05-12
•
Expires: 2006-06-27
Abstract
Abstract A floor covering for public areas such as foyers in public buildings, each section of the floor covering being substantially rectangular in plan of a fairly narrow width, having a flexible projecting tongue along one side thereof, said tongue extending to underlie at least a portion of said sections and having the other side thereof adapted to receive and non-rotatively retain the projected tongue of an adjacent such section whereby like sections interconnect to form a floor covering, the tongues being sufficiently flexible to permit the connected sections to be rolled up.
Inventors
- 👤 Chester W. Ellingson, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:07
CPC Classifications
A; A47; A47L; A47L23/00; A47L23/22; A47L23/26; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/169; Y10T428/17; Y10T428/19; Y10T428/192; Y10T428/24; Y10T428/24777
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
189 words
A floor covering structure consisting of interconnected sectionns, having in combination floor covering sections, a main body portion of one of said sections having a top portion, a bottom portion, and a shoulder at each side thereof, each of said shoulders having an outer side wall, one of said shoulders having a longitudinal bore therethrough, said bore being non-circular in cross section, a slot from said bore extending outwardly of said outer side wall of said one of said shoulders, a flexible strip of material integral with said main body portion underlying said other one of said shoulders and said bottom portion, an outward extension of said strip forming a web and having an enlarged terminal portion having a cross sectional configuration compatible with that of said bore, said terminal portion being disposed into the bore of said one of said shoulders of a main body portion of an adjacent section and being non-rotatable therein. said web of said extension of said strip separating said last mentioned shoulder and said other one of said shoulders, whereby said sections may be rolled up along a longitudinal axis of said web.
Claim 2
Dependent Claim
189 words
A floor covering structure consisting of interconnected sectionns, having in combination floor covering sections, a main body portion of one of said sections having a top portion, a bottom portion, and a shoulder at each side thereof, each of said shoulders having an outer side wall, one of said shoulders having a longitudinal bore therethrough, said bore being non-circular in cross section, a slot from said bore extending outwardly of said outer side wall of said one of said shoulders, a flexible strip of material integral with said main body portion underlying said other one of said shoulders and said bottom portion, an outward extension of said strip forming a web and having an enlarged terminal portion having a cross sectional configuration compatible with that of said bore, said terminal portion being disposed into the bore of said one of said shoulders of a main body portion of an adjacent section and being non-rotatable therein. said web of said extension of said strip separating said last mentioned shoulder and said other one of said shoulders, whereby said sections may be rolled up along a longitudinal axis of said web.
Claim 3
Dependent Claim
36 words
The structure of claim 1, wherein said other of said shoulders has a lower edge portion of its outer side wall slanted rearwardly downwardly to be undercut to make more compact a roll-up of said sections.
Claim 4
Dependent Claim
27 words
The structure of claim 1, wherein said other of said shoulders has a beveled undercut edge portion to make more compact a roll up of said sections.
References Cited (Backward Citations)
US32061A
Cited
US2181812A
Cited
US3477763A
Cited
US3435480A
Cited
US4029834A
Cited
US4568587A
Cited
GB2135372A
Cited
USRE32061E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-11 | 1990-11-10 | 1991-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-11 | 1994-11-10 | 1995-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-11 | 1998-11-10 | 1999-05-12 | $7700.00 | Window Closed / Lapsed |