US3024262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optically active organosilicon compounds
Assignee: Dow Silicones Corp
•
Filing: 1960-02-16
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Granted: 1962-03-06
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Expires: 1980-02-16
Abstract
No abstract record available.
Inventors
- 👤 Leo H Sommer
- 👤 Cecil L Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:52
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/10; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
DEXTROROTATORY AND LEVOROTATORY OPTICALLY ACTIVE ORGANOSILICON COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
13 words
DEXTROROTATORY AND LEVOROTATORY OPTICALLY ACTIVE ORGANOSILICON COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF
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) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |