US2884433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated siloxanes
Assignee: Dow Silicones Corp
•
Filing: 1957-03-07
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Granted: 1959-04-28
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Expires: 1977-03-07
Abstract
No abstract record available.
Inventors
- 👤 Donald D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:12
CPC Classifications
C; C08; C08G; C08G77/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C08G77/48; C08G77/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE UNIT FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE UNIT FORMULA
References Cited (Backward Citations)
FR1116316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |