US3464988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-hydrazinobenzo(h)cinnolines and 3 - hydrazinobenzocyclohepta-(5,6-c)pyridazines
Assignee: Bristol Myers Co
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Filing: 1968-01-11
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Granted: 1969-09-02
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Expires: 1988-01-11
Abstract
No abstract record available.
Inventors
- 👤 Henry Michael Holava Jr
- 👤 Richard Anthony Partyka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:43
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/50; C; C07; C07D; C07D237/00; C07D237/26; C07D237/36; C21; C21C; C21C5/00; C21C5/28; C21C5/30; C21C5/32; C21C5/42
Claims Analysis
Total Claims: 0
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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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |