US3522347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toxoid compositions
Assignee: Wyeth Holdings LLC
•
Filing: 1968-01-25
•
Granted: 1970-07-28
•
Expires: 1988-01-25
Abstract
No abstract record available.
Inventors
- 👤 Frank Buonfiglio Ablondi
- 👤 Murray Sam Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:45
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/39; A61K2039/555; A61K2039/55505; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369218A
Cited
US3145144A
Cited
GB981242A
Cited
US3328256A
Cited
US3350270A
Cited
US3449489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |