US2783263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halocarboxysilanes
Assignee: Dow Silicones Corp
•
Filing: 1954-11-22
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Granted: 1957-02-26
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Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Robert L Merker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:23
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
23 words
AN ORGANOSILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) ORGANOSILOXANE POLYMERS HAVING PER MOLECULE AT LEAST ONE SILOXANE UNIT OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |