Patent US1713601A successfully refreshed from Google Patents.
US2811481A
Expired / Lapsed
US
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Zinc neomycin
Assignee: Commercial Solvents Corp
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Filing: 1954-11-29
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Granted: 1957-10-29
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Expires: 1974-11-29
Abstract
No abstract record available.
Inventors
- 👤 Francis W Chornock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:44
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/22; C07H15/222; C07H15/226; C07H15/228; C07H15/232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB683632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |