Patent US4340633A successfully refreshed from Google Patents.
US4340633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mat anchoring apparatus and method
Assignee: Individual
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Filing: 1980-03-14
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Granted: 1982-07-20
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Expires: 2000-03-14
Abstract
Abstract A plastic web segment having a plurality of cleats on one side thereof and an adhesive coating on the other side thereof for attachment of the web segment to the underside of a mat to assist in retaining the mat in position on a carpet; as manufactured the web segment is provided with a removable paper shield over the adhesive coating and may be manufactured in the form of a roll of elongated length which is scored to facilitate separation of individual web segments therefrom.
Inventors
- 👤 Edward S. Robbins, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:11
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/04; A47G27/0406; A47G27/0412; D; D06; D06N; D06N2209/00; D06N2209/10; D06N2209/106; D06N2213/00; D06N2213/06; D06N2213/066; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T428/00; Y10T428/14; Y10T428/15; Y10T428/24; Y10T428/24008; Y10T428/24017; Y10T428/24752; Y10T428/24942; Y10T428/2495
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
147 words
A substantially rigid chair mat having a smooth surface on one side thereof, at least two web segments each of which has a surface area that is substantially less than the surface area of said smooth surface of said chair mat and each of said web segments having one face thereof adhesively secured to a portion of said one side of said chair mat and another face having a plurality of substantially rigid cleat means projecting from said respective web segment with a selected number of said cleat means projecting in a given angular direction from the other face of said respective web segment while others of said cleat means project in a different angular direction relative to said given angular direction whereby when said chair mat is placed on a carpet surface, said cleat means will restrain movement of said chair mat on the carpet surface.
Claim 2
Dependent Claim
147 words
A substantially rigid chair mat having a smooth surface on one side thereof, at least two web segments each of which has a surface area that is substantially less than the surface area of said smooth surface of said chair mat and each of said web segments having one face thereof adhesively secured to a portion of said one side of said chair mat and another face having a plurality of substantially rigid cleat means projecting from said respective web segment with a selected number of said cleat means projecting in a given angular direction from the other face of said respective web segment while others of said cleat means project in a different angular direction relative to said given angular direction whereby when said chair mat is placed on a carpet surface, said cleat means will restrain movement of said chair mat on the carpet surface.
Claim 3
Dependent Claim
18 words
The web segment of claim 1 wherein said web segment and cleat means are integrally formed from vinyl.
Claim 4
Dependent Claim
13 words
The web segment of claim 1 wherein said cleat means are conically shaped.
Claim 5
Dependent Claim
27 words
The web segment as claimed in claims 1 or 2 wherein the height of said cleat means is at least twice the thickness of said web segment.
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) | 1985-07-19 | 1986-01-18 | 1986-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-19 | 1990-01-18 | 1990-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-19 | 1994-01-18 | 1994-07-20 | $7700.00 | Window Closed / Lapsed |