US2564640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of rubber
Assignee: Wingfoot Corp
•
Filing: 1946-11-19
•
Granted: 1951-08-14
•
Expires: 1966-11-19
Abstract
No abstract record available.
Inventors
- 👤 Ianni James D D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:52
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/22; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
AS A NEW COMPOSITION OF MATTER, THE PRODUCT OBTAINED BY REACTING RUBBER WITH AN ORGANIC MONOISOTHIOCYANATE IN THE PRESENCE OF A CONDENSATION CATALYST FOR RUBBER.
Claim 2
Dependent Claim
25 words
AS A NEW COMPOSITION OF MATTER, THE PRODUCT OBTAINED BY REACTING RUBBER WITH AN ORGANIC MONOISOTHIOCYANATE IN THE PRESENCE OF A CONDENSATION CATALYST FOR RUBBER.
References Cited (Backward Citations)
US1929373A
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US2227777A
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US2313945A
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US2311656A
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US2417424A
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US2381063A
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US2417792A
Cited
US2415893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |