US2900367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous compositions
Assignee: Wyeth Holdings LLC
•
Filing: 1956-12-31
•
Granted: 1959-08-18
•
Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Suen Tzeng Jineq
- 👤 Jen Yun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:44
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOSITION OF MATTER WHICH COMPRISES A THERMOSETTING CONDENSATION REACTION PRODUCT OF ONE MOL OF (1) A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
22 words
A COMPOSITION OF MATTER WHICH COMPRISES A THERMOSETTING CONDENSATION REACTION PRODUCT OF ONE MOL OF (1) A COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
CA513296A
Cited
US2653143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |