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Patent US3207750A successfully refreshed from Google Patents.
US3207750A
Expired / Lapsed
US
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Derivatives of decoyinine
Assignee: Pharmacia and Upjohn Co
•
Filing: 1964-05-29
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Granted: 1965-09-21
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Expires: 1984-05-29
Abstract
No abstract record available.
Inventors
- 👤 Boer Clarence De
- 👤 Le Roy E Johnson
- 👤 Thomas E Eble
- 👤 Hoeksema Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:53
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16; C12; C12P; C12P19/00; C12P19/26; C12P19/28; C12P19/38; C12P19/40; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/898
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF 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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |