US3538166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated polyphenyl thioethers and method for preparation
Assignee: Monsanto Co
•
Filing: 1965-12-07
•
Granted: 1970-11-03
•
Expires: 1985-12-07
Abstract
No abstract record available.
Inventors
- 👤 John Robert Campbell
- 👤 Frank S Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:18
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/70; C07C; C07C319/00; C07C319/14; C07C323/00; C07C323/01; C07C323/09; C07C323/10; C07C323/18; C07C323/20; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/30; C07D333/34; C10; C10M; C10M3/00; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2221/00; C10M2221/02; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3374274A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |