US2762823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosiloxane amines
Assignee: Dow Silicones Corp
•
Filing: 1953-12-17
•
Granted: 1956-09-11
•
Expires: 1973-12-17
Abstract
No abstract record available.
Inventors
- 👤 Jr John L Speier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A SILOXANE HAVING THE UNIT FORMULA
Claim 2
Dependent Claim
6 words
A SILOXANE HAVING THE UNIT FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |