Patent US2700680A successfully refreshed from Google Patents.
US2700680A
Expired / Lapsed
US
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Substituted glycinamides
Assignee: Wyeth LLC
•
Filing: 1951-01-23
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Granted: 1955-01-25
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Expires: 1971-01-23
Abstract
No abstract record available.
Inventors
- 👤 William F Bruce
- 👤 Seifter Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:15
CPC Classifications
C; C07; C07C; C07C237/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2139190A
Cited
US2295655A
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GB534129A
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US2317999A
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US2269147A
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US2447587A
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US2374337A
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US2411662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |