US3304320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon compositions
Assignee: Dow Silicones Corp
•
Filing: 1963-06-17
•
Granted: 1967-02-14
•
Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:21
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C08G77/52; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0836; C07F7/0838; C07F7/0896; C07F7/12; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A SILANE OF THE FORMULA
Claim 2
Dependent Claim
5 words
A SILANE OF THE FORMULA
Claim 3
Dependent Claim
11 words
A SILOXANE CONTAINING AT LEAST ONE SILOXANE UNIT OF THE FORMULA
Claim 4
Dependent Claim
11 words
A SILOXANE CONTAINING AT LEAST ONE SILOXANE UNIT OF THE FORMULA
References Cited (Backward Citations)
US3086954A
Cited
US2561429A
Cited
US2562000A
Cited
US2612510A
Cited
US3050542A
Cited
US3105085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |