US2911448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclic tetradecachloro compound and method of making
Assignee: Purdue Research Foundation
•
Filing: 1955-10-17
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Granted: 1959-11-03
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Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Earl T Mcbee
- 👤 Jr James D Idol
- 👤 Carleton W Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:17
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/38; C07C17/00; C07C17/093; C07C17/10; C07C17/361; C07C2601/00; C07C2601/06; C07C2601/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A COMPOSITION OF MATTER HAVING THE EMPIRICAL FORMULA C10CL14 AND MELTING AT 166-168 DEGREES CENTIGRADE.
Claim 2
Dependent Claim
15 words
A COMPOSITION OF MATTER HAVING THE EMPIRICAL FORMULA C10CL14 AND MELTING AT 166-168 DEGREES CENTIGRADE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |