US3274210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New silicon-containing isoxazoles and isoxazolines
Assignee: Rhone Poulenc SA
•
Filing: 1964-07-20
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Granted: 1966-09-20
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Fritsch Christian Henri Yves
- 👤 Lefort Marcel Joseph Celestin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:34
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0812; C07F7/0814; C07D; C07D261/00; C07D261/02; C07D261/06; C07D261/08; C07F7/0834; C07F7/0838; C07F7/12; C07F7/18; C07F7/1804; C07F7/1896; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C08G77/38; C08G77/382; C08G77/388
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)
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |