US3337598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-methyl-2-phenyl-1, 3-dioxa-2-silacyclohept-5-ene
Assignee: Dow Chemical Co
•
Filing: 1962-03-05
•
Granted: 1967-08-22
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 George B Sterling
- 👤 Chester E Pawloski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:58
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2386793A
Cited
US2441066A
Cited
US2876209A
Cited
GB791169A
Cited
US3065254A
Cited
US3256308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |