Patent US3230242A successfully refreshed from Google Patents.
US3230242A
Expired / Lapsed
US
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Cyclic nitrogen-silicon compounds
Assignee: Monsanto Co
•
Filing: 1962-01-26
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Granted: 1966-01-18
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Expires: 1982-01-26
Abstract
No abstract record available.
Inventors
- 👤 Fink Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:21
CPC Classifications
C; C09; C09K; C09K5/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/10; C07F7/21; C08; C08K; C08K5/00; C08K5/54; C08K5/549
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A CYCLIC NITROGEN-SILICON COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
7 words
A CYCLIC NITROGEN-SILICON 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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |