US2846458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosiloxane ethers
Assignee: Dow Silicones Corp
•
Filing: 1956-11-14
•
Granted: 1958-08-05
•
Expires: 1976-11-14
Abstract
No abstract record available.
Inventors
- 👤 Loren A Haluska
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/58; A61K8/585; A61Q; A61Q19/00; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/21; C08; C08G; C08G77/00; C08G77/04; C08G77/14; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A SILOXANE OF THE UNIT FORMULA
Claim 2
Dependent Claim
6 words
A SILOXANE OF THE UNIT FORMULA
Claim 3
Dependent Claim
16 words
A COPOLYMERIC SILOXANE COMPOSED OF FROM .1 TO 99.9 MOL PERCENT SILOXANE UNITS OF THE FORMULA
Claim 4
Dependent Claim
16 words
A COPOLYMERIC SILOXANE COMPOSED OF FROM .1 TO 99.9 MOL PERCENT SILOXANE UNITS 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) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |