Patent US5217781A successfully refreshed from Google Patents.
US5217781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer mouse pad
Assignee: Individual
•
Filing: 1992-07-27
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Granted: 1993-06-08
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Expires: 2012-07-27
Abstract
Abstract Computer mouse pad or mat, composed of at least the following layers: A) a non-static polyvinyl chloride upper layer having a thickness in the range of from 0.20 to 0.80 mm, the surface of said layer having a soft, suede-like structure; B) a crease-resistant intermediate plastic layer that keeps its shape, has a thickness in the range of from 0.75 to 1.5 mm and after bending returns fast to the plane form; C) a bottom layer functioning as an anti-slip layer in contact with a ground in the form a working-table-top, desk-top and the like and consisting of a foamed thermoplastic synthetic material, said bottom layer having a thickness in the range of from 0.5 to 2 mm.
Inventors
- 👤 Jurjen Kuipers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:21
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/033; G06F3/039; G06F3/0395; B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23943; Y10T428/23979; Y10T428/23986; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/249991; Y10T428/249992
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
115 words
A computer mouse pad made of a laminate consisting of three discrete layers, an upper layer, an intermediate layer, and a bottom layer: (A) said upper layer being made of a non-static polyvinylchloride and having a thickness in the range of from 0.20 to 0.80 mm and a soft, suede-like top surface; (B) said intermediate layer being made of a crease-resistant plastic and having a thickness in the range of from 0.75 to 1.5 mm, which keeps its shape and after bending returns fast to planar form; and (C) said bottom layer being an anti-slip layer made of a foamed thermoplastic synthetic material having a thickness in the range of from 0.5 to 2 mm.
Claim 2
Dependent Claim
115 words
A computer mouse pad made of a laminate consisting of three discrete layers, an upper layer, an intermediate layer, and a bottom layer: (A) said upper layer being made of a non-static polyvinylchloride and having a thickness in the range of from 0.20 to 0.80 mm and a soft, suede-like top surface; (B) said intermediate layer being made of a crease-resistant plastic and having a thickness in the range of from 0.75 to 1.5 mm, which keeps its shape and after bending returns fast to planar form; and (C) said bottom layer being an anti-slip layer made of a foamed thermoplastic synthetic material having a thickness in the range of from 0.5 to 2 mm.
Claim 3
Dependent Claim
30 words
A computer mouse pad according to claim 1, wherein said top surface comprises anti-static fiber of a thermoplastic other than polyvinylchloride flocked onto a polyvinylchloride based sheet containing a plasticizer.
Claim 4
Dependent Claim
13 words
A computer mouse pad according to claim 2, wherein said thermoplastic is polypropylene.
Claim 5
Dependent Claim
20 words
A computer mouse pad according to claim 1, wherein said upper layer contains polyvinylchloride, plasticizer, a stabilizer and a pigment.
Claim 6
Dependent Claim
33 words
A computer mouse pad according to claim 1, wherein said upper layer, said intermediate layer and said bottom layer are welded together along the pad periphery which has been cut or punched out.
Claim 7
Dependent Claim
42 words
A computer mouse pad according to claim 1, wherein the thickness of said upper layer is in the range of from 0.30 to 0.60 mm, and the thickness of said intermediate layer is in the range of from 0.85 to 1.2 mm.
Claim 8
Dependent Claim
23 words
A computer mouse pad according to claim 1, wherein said intermediate layer comprises two laminated sheets each containing polyvinylchloride, plasticizer and a pigment.
Claim 9
Dependent Claim
30 words
A computer mouse pad according to claim 1, wherein the pad is rectangular and has a length of 20 to 50 cm and a breadth of 15 to 35 cm.
Claim 10
Dependent Claim
24 words
A computer mouse pad according to claim 8, wherein the length is 25 to 30 cm and the breadth is 20 to 25 cm.
References Cited (Backward Citations)
US443205A
Cited
US1180750A
Cited
US1379134A
Cited
US1465244A
Cited
US3943645A
Cited
US4197151A
Cited
US4363071A
Cited
US4414260A
Cited
US4484250A
Cited
US4439757A
Cited
US4594586A
Cited
US4456800A
Cited
US4595070A
Cited
GB2197440A
Cited
US4799054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-06-07 | 1996-12-07 | 1997-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-07 | 2000-12-07 | 2001-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-07 | 2004-12-07 | 2005-06-08 | $7700.00 | Window Closed / Lapsed |