US2692887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo-silicon peroxy compounds and their preparation
Assignee: EIDP Inc
•
Filing: 1952-02-04
•
Granted: 1954-10-26
•
Expires: 1972-02-04
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0894
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
TRIPHENYLSILYLHYDROPEROXIDE.
Claim 2
Dependent Claim
1 words
TRIPHENYLSILYLHYDROPEROXIDE.
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) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |