Patent US6777062B2 successfully refreshed from Google Patents.
US6777062B2
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US
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Cushioning structure for floor and ground surfaces
Assignee: LIESENFELD MARY C
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Filing: 2001-10-12
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Granted: 2004-08-17
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Expires: 2021-10-12
Abstract
Abstract A flexible shock absorbing component providing cushioning for surfaces, especially wall and floor surfaces, is described. The shock absorbing component includes two sheets of thermoplastic, each sheet with inwardly facing, opposing, resiliently compressible indentations extending into a cavity between the two sheets. The shock absorbing component also includes a layer of particulate matter applied to and adhered to the outer surface of one of the sheets, to provide wear and weather resistance. A moderator may also be attached to the outer surface of the sheet.
Inventors
- 👤 Joseph J. Skaja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:53
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/22; E04F15/225; B; B32; B32B; B32B3/00; B32B3/26; E01; E01C; E01C13/00; E01C13/04; E01C13/045; E01C13/06; E01C13/065; F; F16; F16F; F16F1/00; F16F1/36; F16F1/373; F16F1/376; F16F3/00; F16F3/08; F16F3/087; F16F3/093; F16F3/0935; E01C2201/00; E01C2201/20; E01C2201/202; E01C2201/205; E01C2201/207; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/23; Y10T428/234; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24405; Y10T428/24479; Y10T428/24521; Y10T428/24554; Y10T428/24562; Y10T428/24628; Y10T428/24661; Y10T428/24669; Y10T428/24678
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
78 words
A cushioning structure comprising a pair of thermoplastic sheets spaced from each other to form a cavity therebetween, each sheet having an inwardly facing surface and an outwardly facing surface, a plurality of inwardly facing, opposing, resiliently compressible indentations extending from each sheet into the cavity, each indentation having an inwardly facing projection and an outwardly facing recess, and a layer of particulate material applied to and adhered to the outwardly facing surface of one of the sheets.
Claim 2
Dependent Claim
78 words
A cushioning structure comprising a pair of thermoplastic sheets spaced from each other to form a cavity therebetween, each sheet having an inwardly facing surface and an outwardly facing surface, a plurality of inwardly facing, opposing, resiliently compressible indentations extending from each sheet into the cavity, each indentation having an inwardly facing projection and an outwardly facing recess, and a layer of particulate material applied to and adhered to the outwardly facing surface of one of the sheets.
Claim 3
Dependent Claim
14 words
The cushioning structure of claim 1 , wherein the particulate material is fiber particles.
Claim 4
Dependent Claim
14 words
The cushioning structure of claim 1 , wherein the particulate material is rubber particles.
Claim 5
Dependent Claim
29 words
The cushioning structure of claim 1 , wherein the particulate material at least partially fills the outwardly facing recesses in the sheet to which the particulate material is applied.
Claim 6
Dependent Claim
20 words
The cushioning structure of claim 1 , wherein at least one of the resiliently compressible indentations is hemispherical in shape.
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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) | 2007-08-17 | 2008-02-16 | 2008-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2011-08-17 | 2012-02-16 | 2012-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2015-08-17 | 2016-02-16 | 2016-08-17 | $7700.00 | Window Closed / Lapsed |