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US2950328A
Expired / Lapsed
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Cycopropyl derivatives and processes for making the same
Assignee: Houdry Process Corp
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Filing: 1955-12-21
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Granted: 1960-08-23
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Expires: 1975-12-21
Abstract
No abstract record available.
Inventors
- 👤 Orchin Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:15
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/02; C07C23/04; C07C17/00; C07C17/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
1,1- DICHLORO- 2 METHYL-2-VINYLCYCLOPROPANE. 2. 1,1-DICHLORO- 2-ISOPROPENYLCYCLOPROPANE. 3. 1,1- DICHLORO-2-VINYLCYCLOPROPANE
Claim 2
Dependent Claim
10 words
1,1- DICHLORO- 2 METHYL-2-VINYLCYCLOPROPANE. 2. 1,1-DICHLORO- 2-ISOPROPENYLCYCLOPROPANE. 3. 1,1- DICHLORO-2-VINYLCYCLOPROPANE
References Cited (Backward Citations)
US2276203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |