US3308093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimethylsiloxy endblocked dimethylsiloxanes
Assignee: Dow Silicones Corp
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Filing: 1963-08-28
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Granted: 1967-03-07
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Expires: 1983-08-28
Abstract
No abstract record available.
Inventors
- 👤 Charles W Lentz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:00
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A SILOXANE SELECTED FROM THE GROUP CONSISTING OF SILOXANES HAVING THE GENERAL FORMUALE
Claim 2
Dependent Claim
13 words
A SILOXANE SELECTED FROM THE GROUP CONSISTING OF SILOXANES HAVING THE GENERAL FORMUALE
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |