US2582701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiskid tread and method of manufacture
Assignee: Uniroyal Inc
•
Filing: 1949-07-22
•
Granted: 1952-01-15
•
Expires: 1969-07-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Iknayan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:04
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ANTI-SKID TREAD COMPOSITION FOR A PNEUMATIC TIRE COMPRISING, A THICK LAYER OF RUBBER COMPOSITION TO COVER THE CROWN PORTION OF THE TIRE, PARTICLES OF WATER-SOLUBLE INORGANIC HALIDE SALT INTERSPERSED IN SAID LAYER, AND A THIN COATING OF A COMPOSITION OF BUTADIENE-STYRENE COPOLYMER LATEX AND GLUE INTERPOSED BETWEEN THE SURFACE OF THE SALT PARTICLES AND THE LAYER OF RUBBER COMPOSITION.
Claim 2
Independent Claim
60 words
A METHOD OF MAKING AN ANTI-SKID RUBBER TREAD FOR PNEUMATIC TIRES WHICH INCLUDES THE STEPS OF COATING WATER-SOLUBLE SALT PARTICLES WITH A RUBBER LATEX AND GLUE COMPOSITION AND THEREAFTER INCORPORATING THE COATED PARTICLES IN RUBBER STOCK TO BE FABRICATED INTO A TIRE TREAD HAVING AN ANTI-SKID SURFACE FORMED BY VOIDING OF THE SALT PARTICLES FROM THE SURFACE OF THE TREAD.
References Cited (Backward Citations)
US2274855A
Cited
US902403A
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US1106985A
Cited
US1416796A
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US1953983A
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US2171438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |