US2510503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers and copolymers of unsaturated triazines
Assignee: Wyeth Holdings LLC
•
Filing: 1946-10-02
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Granted: 1950-06-06
•
Expires: 1966-10-02
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kropa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:10
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/28; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A POLYMERIZABLE COMPOSITION COMPRISING (1) A COMPOUND REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
12 words
A POLYMERIZABLE COMPOSITION COMPRISING (1) A COMPOUND REPRESENTED BY THE GENERAL 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) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |