Patent US2515318A successfully refreshed from Google Patents.
US2515318A
Expired / Lapsed
US
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Polymerization of 2-substituted thiazoles
Assignee: Uniroyal Inc
•
Filing: 1945-06-05
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Granted: 1950-07-18
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Expires: 1965-06-05
Abstract
No abstract record available.
Inventors
- 👤 Dwight L Schoene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:29
CPC Classifications
C; C08; C08F; C08F28/00; C08F28/06; C08F236/00; C08F236/02; C08F236/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
A POLYMER OF 2-VINYLTHIAZOLE.
Claim 2
Dependent Claim
3 words
POLYMERIZED 2-VINYL-4 METHYLTHIAZOLE.
References Cited (Backward Citations)
US2125649A
Cited
US2393132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |