US3455877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon epoxides
Assignee: Dow Silicones Corp
•
Filing: 1962-02-19
•
Granted: 1969-07-15
•
Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Plueddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:13
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0876; C07F7/0878; C07F7/0879; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07F7/0803; C07F7/081; C07F7/0812; C07F7/0814; C07F7/0836; C07F7/0896; C07F7/18; C07F7/1804; C07F7/21; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/306; C08G77/00; C08G77/04; C08G77/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A SILOXANE OF THE UNIT FORMULA
Claim 2
Dependent Claim
6 words
A SILOXANE OF THE UNIT FORMULA
References Cited (Backward Citations)
US2819245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |