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US2917432A
Expired / Lapsed
US
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Leukemia treatment
Assignee: SmithKline Beecham Corp
•
Filing: 1954-10-05
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Granted: 1959-12-15
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Expires: 1974-10-05
Abstract
No abstract record available.
Inventors
- 👤 Timmis Geoffrey Millward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:37
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2581443A
Cited
US2697709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |