US3439018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-(4-chloro-2-methylphenoxy) propionanilides
Assignee: Boots Pure Drug Co Ltd
•
Filing: 1964-09-16
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Granted: 1969-04-15
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Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Robert Frederick Brookes
- 👤 David Henry Godson
- 👤 Edward Levi Leafe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/182; C07D295/185; C07C; C07C255/00; C07C275/00; C07C275/46; C07C275/48; C07C275/50; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D233/00; C07D233/54; C07D233/56; C07D249/00; C07D249/02; C07D249/08; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C07D295/20; C07D295/215; C07D295/22; C07D295/26; C07D295/28; C07D295/32
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |