US2498099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers of styrene, fumaric esters, and chlorinated alkenes
Assignee: Uniroyal Inc
•
Filing: 1946-04-19
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Granted: 1950-02-21
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Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
- 👤 Jr Jerome G Kuderna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:38
CPC Classifications
C; C08; C08F; C08F222/00; C08F222/10; C08F222/26; C08F222/28; C08F22/00; C08F22/10; C08F22/26; C08F22/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A SOLUBLE UNSATURATED INTERPOLYMERIZATE OF A VINYL-AROMATIC COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
11 words
A SOLUBLE UNSATURATED INTERPOLYMERIZATE OF A VINYL-AROMATIC COMPOUND OF THE FORMULA
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) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |