US2585219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiskid composition and method of making same
Assignee: Goodrich Corp
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Filing: 1949-08-24
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Granted: 1952-02-12
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Expires: 1969-08-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Boyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:28
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/14; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/31504; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A VULCANIZED ELASTOMERIC TREAD COMPOSITION COMPRISING 100 PARTS BY WEIGHT OF A VULCANIZED RUBBERY CONJUGATED DIENE POLYMER AND FROM 25 TO 55 PARTS BY WEIGHT OF A MIXTURE OF NUT SHELL PARTICLES HAVING A DUROMETER "D" HARDNESS OF FROM 65 TO 100 POINTS AND OAT HULLS, SAID MIXTURE CONSISTING ESSENTIALLY OF FROM 35 TO 36 PERCENT BY WEIGHT OF NUT SHELL PARTICLES AND FROM 65 TO 35 PERCENT BY WEIGHT OF OAT HULLS, SAID NUT SHELL PARTICLES CONSISTING SUBSTANTIALLY OF A SIEVE SERIES NO. 10 THROUGH A U.S. STANDARD SIEVE SERIES NO. 10 SCREEN BUT IS RETAINED ON A U.S. STANDARD SIEVE SERIES NO. 35 SCREEN AND SAID OATS HULLS CONSISTING SUBSTANTIALLY OF A SIZE WHICH PASSES THROUGH A U.S. STANDARD SIEVE SERIES NO. 14 SCREEN BUT IS RETAINED ON A U.S. STANDARD SIEVE SERIES NO. 60 SCREEN.
Claim 2
Dependent Claim
138 words
A VULCANIZED ELASTOMERIC TREAD COMPOSITION COMPRISING 100 PARTS BY WEIGHT OF A VULCANIZED RUBBERY CONJUGATED DIENE POLYMER AND FROM 25 TO 55 PARTS BY WEIGHT OF A MIXTURE OF NUT SHELL PARTICLES HAVING A DUROMETER "D" HARDNESS OF FROM 65 TO 100 POINTS AND OAT HULLS, SAID MIXTURE CONSISTING ESSENTIALLY OF FROM 35 TO 36 PERCENT BY WEIGHT OF NUT SHELL PARTICLES AND FROM 65 TO 35 PERCENT BY WEIGHT OF OAT HULLS, SAID NUT SHELL PARTICLES CONSISTING SUBSTANTIALLY OF A SIEVE SERIES NO. 10 THROUGH A U.S. STANDARD SIEVE SERIES NO. 10 SCREEN BUT IS RETAINED ON A U.S. STANDARD SIEVE SERIES NO. 35 SCREEN AND SAID OATS HULLS CONSISTING SUBSTANTIALLY OF A SIZE WHICH PASSES THROUGH A U.S. STANDARD SIEVE SERIES NO. 14 SCREEN BUT IS RETAINED ON A U.S. STANDARD SIEVE SERIES NO. 60 SCREEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |