Patent US3336345A successfully refreshed from Google Patents.
US3336345A
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US
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2-{[(estra-1, 3, 5(10)-trien-3-yl)oxy]lower alkyl}-2-thiopseudourea compounds and their acid addition salts
Assignee: Parke Davis and Co LLC
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Filing: 1965-12-17
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Granted: 1967-08-15
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Expires: 1985-12-17
Abstract
No abstract record available.
Inventors
- 👤 Evans David Eurof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:41
CPC Classifications
C; C07; C07J; C07J41/00; C07J75/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
19 words
A MEMBER OF THE CLASS CONSISTING OF A 2-(((ESTRA-1, 3,5(10) - TRIENE - 3-YL)OXYL)LOWER ALKYL)-2-THIOPSEUDOUREA COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
19 words
A MEMBER OF THE CLASS CONSISTING OF A 2-(((ESTRA-1, 3,5(10) - TRIENE - 3-YL)OXYL)LOWER ALKYL)-2-THIOPSEUDOUREA COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
17 words
A COMPOUND ACCORDING TO CLAIM 1 WHICH IS 2-(5''((17 - OXOESTRA - 1,3,5(10) - TRIEN-3-YL) OXY)PENTYL)-2THIOPSEUDOUREA HYDROBROMIDE.
References Cited (Backward Citations)
US2547366A
Cited
US3212971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |