US2947736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin compositions
Assignee: Wyeth Holdings LLC
•
Filing: 1956-12-31
•
Granted: 1960-08-02
•
Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Lennart A Lundberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:39
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/28; C08F16/24; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIZED PRODUCT OBTAINED BY REACTING A TRIESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF CYANURIC AND ISOCYANURIC AND CORRESPONDING TO ONE OF THE FORMULAS
Claim 2
Dependent Claim
32 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIZED PRODUCT OBTAINED BY REACTING A TRIESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF CYANURIC AND ISOCYANURIC AND CORRESPONDING TO ONE OF THE FORMULAS
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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |