Patent US2545592A successfully refreshed from Google Patents.
Patent US4029852A successfully refreshed from Google Patents.
US4029852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal non-skid coating
Assignee: Individual
•
Filing: 1976-02-06
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Granted: 1977-06-14
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Expires: 1996-02-06
Abstract
Abstract Articles having a non-skid surface of a roughened character and substantial thickness embody a base sheet having a roughened surface with particles of grit bonded thereto by metal which has been solidified in place in contact with the grit particles and base sheet and further bonded in place by an overlaying layer of solidified metal.
Inventors
- 👤 Maximilian Palena
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:05
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/08; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
90 words
A non-skid product having a rough wearing surface comprising a sheet of backing material having a layer of grit particles in direct contact with the surface of the sheet, said particles being bonded to each other and to said sheet by solidified metal and covered by a layer of metal in direct contact with the solidified metal and serving to substantially encapsulate the grit particles, the grit particles having an average particle size exceeding 20 mesh and the thickness of the layers of grit and metal exceeding about 0.06 inch.
Claim 2
Dependent Claim
90 words
A non-skid product having a rough wearing surface comprising a sheet of backing material having a layer of grit particles in direct contact with the surface of the sheet, said particles being bonded to each other and to said sheet by solidified metal and covered by a layer of metal in direct contact with the solidified metal and serving to substantially encapsulate the grit particles, the grit particles having an average particle size exceeding 20 mesh and the thickness of the layers of grit and metal exceeding about 0.06 inch.
Claim 3
Dependent Claim
22 words
A non-skid product as defined in claim 1 wherein said grit particles have a size ranging from about 6 to 14 mesh.
Claim 4
Dependent Claim
29 words
A non-skid product as defined in claim 1 wherein the metal by which the grit particles are substantially encapsulated has a thickness of from about 0.02 to 0.08 inch.
Claim 5
Dependent Claim
24 words
A non-skid product as defined in claim 1 wherein the surface of the sheet of backing material contacted by the grit particles is roughened.
Claim 6
Dependent Claim
73 words
A non-skid product having a rough wearing surface comprising a base sheet having a roughened surface with a layer of grit particles having an average size in the range of about 6 to 14 mesh in direct contact with said surface, said grit particles being bonded to each other and to said surface by solidified metal which substantially encapsulates said grit particles and has a thickness of from about 0.03 to 0.08 inch.
Claim 7
Dependent Claim
73 words
A non-skid product having a rough wearing surface comprising a base sheet having a roughened surface with a layer of grit particles having an average size in the range of about 6 to 14 mesh in direct contact with said surface, said grit particles being bonded to each other and to said surface by solidified metal which substantially encapsulates said grit particles and has a thickness of from about 0.03 to 0.08 inch.
Claim 8
Dependent Claim
14 words
A non-skid product as defined in claim 5 wherein said solidified metal is aluminum.
Claim 9
Dependent Claim
18 words
A non-skid product as defined in claim 5 wherein said solidified metal comprises two superimposed layers of metal.
Claim 10
Dependent Claim
16 words
A non-skid product as defined in claim 5 wherein said base sheet is formed of metal.
Claim 11
Dependent Claim
16 words
A non-skid product as defined in claim 5 wherein said base sheet is formed of steel.
Claim 12
Dependent Claim
14 words
A non-skid product as defined in claim 5 wherein said base sheet is flexible.
Claim 13
Dependent Claim
16 words
A non-skid product as defined in claim 5 wherein said base sheet is formed of fabric.
Claim 14
Dependent Claim
17 words
A non-skid product as defined in claim 5 wherein said grit particles are formed of aluminum oxide.
Claim 15
Dependent Claim
65 words
A non-skid product as defined in claim 5 wherein said grit particles are bonded to each other and said base sheet by a solidified spray of molten metal which has penetrated into the voids and crevices between the grit particles and into contact with said base sheet, and further covered by an additional layer of solidified metal sprayed onto the upper surface of said assembly.
Claim 16
Dependent Claim
13 words
A non-skid product as defined in claim 13 wherein said metal is aluminum.
References Cited (Backward Citations)
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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) | 1980-06-13 | 1980-12-13 | 1981-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-13 | 1984-12-13 | 1985-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-13 | 1988-12-13 | 1989-06-14 | $7700.00 | Window Closed / Lapsed |