US2560195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for marking rubber and method of using composition
Assignee: Uniroyal Inc
•
Filing: 1947-11-07
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Granted: 1951-07-10
•
Expires: 1967-11-07
Abstract
No abstract record available.
Inventors
- 👤 Cornelius W Smith
- 👤 Farms Grosse Pointe
- 👤 Golden Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:26
CPC Classifications
C; C09; C09D; C09D13/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
AS A NEW ARTICLE OF MANUFACTURE, A CRAYON FOR MARKING RUBBER, SAID CRAYON BEING COMPOSED OF A STICK OF AN UNVULCANIZED NORMALLY SOLID COMPOSITION CONSISTING ESSENTIALLY OF UNVULCANIZED RUBBER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER AND BUTADIENE-STYRENE RUBBERY COPOLYMER, RUBBER-SOLUBLE WAX AND PIGMENT, IN PROPORTIONS BY WEIGHT OF FROM 6 TO 9 PARTS OF SAID WAX AND FROM 0.75 TO 1.5 PARTS OF SAID PIGMENT PER PART OF SAID RUBBER, SAID RUBBER BEING DISSOLVED IN SAID WAX AND SAID PIGMENT BEING SUSPENDED IN THE RESULTING SOLUTION, SAID COMPOSITION HAVING SUCH HARDNESS AND CONSISTENCY THAT THE CRAYON RETAINS ITS SHAPE UNDER CONDITIONS OF
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US1800561A
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US2051944A
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US2054115A
Cited
US2331742A
Cited
US2380126A
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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) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |