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Patent US2516674A successfully refreshed from Google Patents.
US2516674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted glycinamide
Assignee: Wyeth LLC
•
Filing: 1948-10-29
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Granted: 1950-07-25
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Expires: 1968-10-29
Abstract
No abstract record available.
Inventors
- 👤 William F Bruce
- 👤 Seifter Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:35
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AS NEW COMPOUNDS, SUBSTITUTED GLYCINAMIDES HAVING THE FORMULA
Claim 2
Dependent Claim
8 words
AS NEW COMPOUNDS, SUBSTITUTED GLYCINAMIDES HAVING 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) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |