US3122579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed trisiloxanes
Assignee: Dow Silicones Corp
•
Filing: 1960-10-17
•
Granted: 1964-02-25
•
Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Robert H Leitheiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:17
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0836; C07F7/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOSITION OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOSITION OF THE 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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |