US3901993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-skid bridging plate laminate assembly
Assignee: Individual
•
Filing: 1973-12-17
•
Granted: 1975-08-26
•
Expires: 1993-12-17
Abstract
Abstract A non-skid bridging plate laminate assembly having a relatively thick and rigid metallic load-carrying plate, a relatively thin and conforming anti-skid metallic sheet with the working surface containing mechanically embedded granules, and an adhesive-coated rubber sheet sandwiched between and uniting the metallic loadcarrying plate and anti-skid metallic sheet; pressure-sensitive adhesive is disclosed for the preferred embodiment, and a doublefaced embodiment is disclosed.
Inventors
- 👤 Jr Jacque R Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:16
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/22; E; E01; E01C; E01C11/00; E01C11/24; E01C5/00; E01C5/22; E01C9/00; E01C9/08; E02; E02D; E02D17/00; E02D17/06; E02D17/10; Y; Y10; Y10T; Y10T428/00; Y10T428/20; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/24413; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31826; Y10T428/31833
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
67 words
A BRIDGING PLATE COMPRISING: A METALLIC LOAD PLATE, A METALLIC ANTI-SKID (FRICTION) SHEET HAVING ABRASIVE PARTICLES EMBEDDED IN A SURFACE THEREOF, A RESILLENT RUBBER SHEET BETWEEN THE LOAD PLATE AND THE ANTI-SKID SHEET, AND ADHESIVE MEANS CONNECTING THE LOAD PLATE AND THE (FRICTION) ANTI-SKID SHEET TO THE RESILIENT RUBBER SHEET, THE ANTI-SKID SHEET FLEXIBLY COMPLYING TO THE LOAD PLATE CONTOUR WITH THE ABRASIVE-PARTICLE EMBEDDED SURFACE THEREOF OUTWARD.
Claim 2
Dependent Claim
67 words
A BRIDGING PLATE COMPRISING: A METALLIC LOAD PLATE, A METALLIC ANTI-SKID (FRICTION) SHEET HAVING ABRASIVE PARTICLES EMBEDDED IN A SURFACE THEREOF, A RESILLENT RUBBER SHEET BETWEEN THE LOAD PLATE AND THE ANTI-SKID SHEET, AND ADHESIVE MEANS CONNECTING THE LOAD PLATE AND THE (FRICTION) ANTI-SKID SHEET TO THE RESILIENT RUBBER SHEET, THE ANTI-SKID SHEET FLEXIBLY COMPLYING TO THE LOAD PLATE CONTOUR WITH THE ABRASIVE-PARTICLE EMBEDDED SURFACE THEREOF OUTWARD.
Claim 3
Dependent Claim
81 words
A BRIDGING PLATE AS RECITED IN CLAIM 1, WHEREIN A SECOND METALLIC ANTI-SKID SHEET HAVING ABRASIVE PARTICLES EMBEDDED IN A SURFACE THEREOF IS PROVIDED, WHEREIN A SECOND RESILIENT RUBBER SHEET IS PROVIDED, THE SAME BEING BETWEEN THE LOAD PLATE AND THE SECOND METALLIC ANTI-SKID SHEET, AND ADHESIVE MEANS CONNECTING THE SECOND RESILIENT RUBBER SHEET BETWEEN THE LOAD PLATE AND THE SECOND ANTI-SKID SHEET, THE SECOND SNTI-SKID SHEET FLEXIBLY COMPLYING TO THE LOAD PLATE CONTOUR WITH THE ABRASIVE-PARTICLE EMBEDDED SURFACE THEREOF OUTWARD.
Claim 4
Dependent Claim
19 words
A bridging plate as recited in claim 1, wherein the load plate has a surface contour other than planar.
Claim 5
Dependent Claim
20 words
A bridging plate as recited in claim 1, wherein the load plate and the anti-skid sheet are of mild steel.
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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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |