Patent US2768970A successfully refreshed from Google Patents.
US2768970A
Expired / Lapsed
US
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Phenyl styryl ketone thiosemicarbazones
Assignee: Schenley Industries Inc
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Filing: 1954-02-18
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Granted: 1956-10-30
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Expires: 1974-02-18
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Hans
- 👤 Behnisch Robert
- 👤 Schraufstatter Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:36
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/26; C07C317/32; C07C317/34; C07C317/38; C07C317/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A CHEMOTHERAPEUTIC COMPOUND REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
7 words
A CHEMOTHERAPEUTIC COMPOUND REPRESENTED BY THE 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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |