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Patent US3128280A successfully refreshed from Google Patents.
US3128280A
Expired / Lapsed
US
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1-(alkoxylated/halogenated phenyl)-3-pyridylmethylureas
Assignee: GD Searle LLC
•
Filing: 1959-10-23
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Granted: 1964-04-07
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Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
- 👤 Kurt J Rorig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:42
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/40
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)
CA465800A
Cited
US2949459A
Cited
US2042023A
Cited
US2477872A
Cited
US2802008A
Cited
US2865929A
Cited
US2993930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |