US3457274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hexahydro-isoindolinone lactones
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1967-06-12
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Granted: 1969-07-22
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Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey Lightfoot Floy Norris
- 👤 William Brian Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:52
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/40; A01; A01N; A01N63/00; A01N63/30; C; C07; C07D; C07D491/00; C07D491/02; C07D491/08; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |